Academic literature on the topic 'Airline Schedule'

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Journal articles on the topic "Airline Schedule"

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Massoud, Bazargan, and Xiaoxu Chen. "Airline Hangars Balanced Manpower Utilization." International Journal of Aviation Systems, Operations and Training 3, no. 1 (January 2016): 49–58. http://dx.doi.org/10.4018/ijasot.2016010104.

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Airlines on average spend 10%-15% of their total operating cost on aircraft maintenance. Most of the airlines conduct their light maintenance checks in-house. These light checks have a major impact on flight schedules, delay rates and cost. A chronic challenge with airlines is assigning light maintenance checks to the hangars while achieving a balanced utilization of the manpower. This study considers airline's daily flight schedule, manpower needed for each check, the availability of manpower and expertise at each hangar, capitalizes on flexibility of performing aircraft light maintenance checks among potential hangars aiming at balancing manpower utilization. The results are very encouraging compared with existing practices. The model not only identifies which maintenance checks to be performed at different hangars but provides recommendations in terms of increasing/decreasing manpower needs. An airline application reveals that the model can help airlines with their strategic manpower planning strategies to achieve a high and balanced utilization of their maintenance manpower.
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Zagrajek, Paweł, and Adam Hoszman. "Impact of Ground Handling on Air Traffic Volatility." Journal of Management and Financial Sciences, no. 33 (July 27, 2019): 147–55. http://dx.doi.org/10.33119/jmfs.2018.33.8.

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Ground handling services constitute an important element of airline operations and significantly affect traffic stability and punctuality. In this article, the existing and potential impact of airline handling on air traffic volatility is reviewed from the point of view of airlines and ground operations. The issues of airline expectations towards ground handling agents (including handling rates, turnaround time, passenger services, and ramp services) are explored. In addition, the impact of an airline’s schedule and the volatility of its operations on the performance and operational requirements of handling agents is discussed, including actions required by handling agents in response to the above challenges. The mechanism of how the volatility of an airline’s schedule and its operations may impact the volatility of ground operations (directly and indirectly) is considered. The statistics of airline delays caused by ground operations are presented and discussed. The issue of the correctness of air traffic delays reporting by airlines is investigated.Furthermore, this article investigates internal factors of ground handling agents and their impact on air traffic volatility. The existing and potential considerations discussed include staff management issues (in particular, employee rotation resulting in staff shortages and service quality, including punctuality), resources management, the ground service support equipment (including new developments aiming at limiting ground safety incidents), and their impact on performance.
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Yimga, Jules. "Competition and Schedule Padding in the US Airline Industry." Review of Network Economics 20, no. 1 (March 1, 2021): 1–33. http://dx.doi.org/10.1515/rne-2021-0016.

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Abstract Disclosure programs can help consumers with limited information about product quality make better purchase decisions. A quality disclosure mandate such as the On-Time Disclosure Rule in the U.S. that requires airlines to provide information on the quality of their products can be beneficial, but can also be counterproductive if it encourages airlines to act deceptively by “gaming” the system. If airlines care about public perceptions of their on-time record, they have an incentive to improve their on-time performance ranking by resorting to unscrupulous means such as padding their schedules beyond normal time required to absorb scheduling stochastic fluctuations. This study investigates the impact of competition on airline schedule padding. We construct a measure for schedule padding under different optimal flight time choices. Using different measures of market structure, we find that more competitive (concentrated) markets are subject to less (more) schedule padding.
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Munoz, Claudia, Henry Laniado, and Jorge Córdoba. "Airline choice model for an international round-trip flight considering outbound and return flight schedules." Archives of Transport 54, no. 2 (June 30, 2020): 75–93. http://dx.doi.org/10.5604/01.3001.0014.2969.

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This paper quantified the impact of outbound and return flight schedule preferences on airline choice for international trips. Several studies have used airline choice data to identify preferences and trade-offs of different air carrier service attributes, such as travel time, fare and flight schedule. However, estimation of the effect return flight schedules have on airline choice for an international round-trip flight has not yet been studied in detail. Therefore, this study introduces attributes related to return flight characteristics and round-trip flight schedule interaction into the airline choice models, which have not previously been reported in the literature. We developed a stated preference survey that includes round-trip fares based on flight schedule combinations and the number of days prior to departure fares was purchased. We applied modelling techniques using a set of stated preference data. A mixed logit model was tested for the presence of heterogeneity in passengers' preferences. Our results indicated that models with attributes related to return flight and its interaction with outbound flight attributes have a superior fit compared with models only based on attributes reported in the literature review. The model found shows that airfare, travel time, arrival preference schedule in the outward journey, departure preference in the return journey and the schedule combination of round-trip flight are significantly affecting passenger choice behaviour in international round-trip flights. Sensitivity analysis of airline service characteristics and their marketing implications are conducted. The analysis reports seven policies with the greatest impact on each airline choice probabilities. It shows that by reducing travel time and airfare and by adopting an afternoon and night schedule preference for outbound and return flight, respectively, the highest probability on airline choice would be reached. This research contributes to the current literature by enhancing the understanding of how passengers choose airlines, considering both outbound and inbound journey characteristics. Thus, this study provides an analytical tool designed to provide a better understanding of international round-trip flight demand determinants and support carrier decisions.
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Brueckner, Jan K., and Ricardo Flores-Fillol. "Airline Schedule Competition." Review of Industrial Organization 30, no. 3 (August 18, 2007): 161–77. http://dx.doi.org/10.1007/s11151-007-9140-1.

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Law, Colin. "The study of customer relationship management in Thai airline industry: A case of Thai travelers in Thailand." Journal of Airline and Airport Management 7, no. 1 (February 17, 2017): 13. http://dx.doi.org/10.3926/jairm.86.

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Purpose: This paper offer marketing strategy suggestion to the airlines operating within the Thai aviation market. It identifies the recommended motivational factors that influence the airline customers’ decision to their airline choices. Airlines use different customer relationship management programs to attract returning customers. This paper suggested the most attractive motivation factors for Thailand's air travel market.Design/methodology/approach: This research paper is an attempt to study and identify the factors, including loyalty program, distribution channel, customer services, promotions and other influence causes that affected the customer preference in the airline ticket purchasing behavior in Thailand.A questionnaire survey was conducted with the sample identified through unrestricted non probability sampling technique at four major airports in Thailand. The data collected are analyzed to identify the favorable drivers that lead to customer decision on airline choice.Findings: The result from the study has demonstrated that price, and promotion has a significant impact on customer preference and positively leads to repurchase intention for their future travel. Moreover, flight schedules are also a main factor influencing the travelers’ final decision on airline choice. However, when the promotional strategies and schedule are comparable between airlines, customers are attracted by the airline amenities and services. Loyalty program (frequent-flier program flier program) is showing a less attractive motivator while distribution channel demonstrates the least important affecting the travelers’ choice of airline.Originality/value: The paper begins with an overview of previous research in the area of airlines customer relationship management and then moves on to what is currently being implemented by the airlines. The authors then propose several customer relationship strategies and identify the most attractive one that motivates the Thai consumers.
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Cadarsoa, Luis, and Ángel Marín. "Integrated Robust Airline Schedule Development." Procedia - Social and Behavioral Sciences 20 (2011): 1041–50. http://dx.doi.org/10.1016/j.sbspro.2011.08.113.

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Mhlanga, Oswald, Jacobus Steyn, and John Spencer. "The airline industry in South Africa: drivers of operational efficiency and impacts." Tourism Review 73, no. 3 (August 20, 2018): 389–400. http://dx.doi.org/10.1108/tr-07-2017-0111.

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Purpose The airline industry is structurally challenged by its very nature, because of high overhead and capital costs. This is further exacerbated by macro-predictability and micro-uncertainty, thereby making it difficult for airlines in South Africa to attain operational efficiency. The purpose of this study is to identify drivers of operational efficiency and their impacts on airline performances in South Africa. Design/methodology/approach An extensive data collection using primary and secondary sources enabled the researchers to gather data on all the airlines operating in South Africa, for the period of 2012-2016, on a variety of parameters. A two-stage empirical analysis was carried out, which involved estimation of operational efficiencies during the first stage by using data envelopment analysis (DEA) and determination of performance drivers during the second stage by using a two-way random-effects generalised least squares regression and also a Tobit model. Findings From the study, it is clear that two structural drivers, namely, “aircraft size” and “seat load factor”, and two executional drivers, namely, “low cost business model” and “revenue hours per aircraft”, significantly impacted (p < 0.05) positively on airline efficiencies in South Africa. To improve efficiency, management should first concentrate on the drivers that can be changed in the short-term (executional drivers) and later focus on the drivers that require long-term planning (structural drivers). However, among the structural drivers, only “aircraft families” had a negative impact on airline efficiencies, whilst among executional drivers, only “block hours” negatively impacted on airline efficiencies. Research limitations/implications Despite the importance of this study, it is not free of limitations. Firstly, because of the small size of the industry, fewer airlines and lack of detailed data, the study could not consider other important factors such as optimal routing and network structure. Secondly, although non-aeronautical revenues have become increasingly important in airline management, they were not included in this study. Further studies may investigate the impact of these factors on airline efficiency. Practical implications The results have potential policy implications. Firstly, as the domestic airline market in South Africa is too small to operate with a smaller aircraft efficiently, airlines that intend to make use of smaller aircraft should first identify niche markets where they can have a route monopoly, such as SA Airlink. Secondly, as block time negatively affected airline efficiency, airlines can undertake schedule adjustments to reduce block time and thus improve technical efficiency. Originality/value This paper is a first attempt to identify drivers of operational efficiency in the airline industry in South Africa. The results indicate that DEA is a useful tool to identify factors impacting airline efficiency and could improve airline performances in South Africa.
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Tao, Mei, Lan Ma, and Yiming Ma. "Flight schedule adjustment for hub airports using multi-objective optimization." Journal of Intelligent Systems 30, no. 1 (January 1, 2021): 931–46. http://dx.doi.org/10.1515/jisys-2020-0114.

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Abstract Based on the concept of “passengers self-help hubbing,” we build a flight schedule optimization model where maximizing the number of feasible flight connections, indicating transfer opportunities, as one objective and minimizing total slot displacements as the other objective. At the same time, the “Demand Smoothing Model” is introduced into the flight schedule optimization model to reduce the queuing delays for arrival and departure flights. We take into account all aircraft itineraries, the difficulty level of schedule coordination, and the maximum displacement of any single flight acceptable to airlines when optimizing flight schedule. Given an original schedule, the model produces a feasible modified schedule that obeys the slot limits specified for an airport without canceling any flights, increases transfer opportunities, and improves on-time performance for hub airports while reducing interference with airline scheduling preferences. The model was verified with the operating data of the Urumqi international airport, and the results show that minor adjustments to flight schedules can increase the transfer opportunities of the airport and significantly reduce flight queuing delays.
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Lagos, Carlos, Felipe Delgado, and Mathias A. Klapp. "Dynamic Optimization for Airline Maintenance Operations." Transportation Science 54, no. 4 (July 2020): 998–1015. http://dx.doi.org/10.1287/trsc.2020.0984.

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The occurrence of unexpected aircraft maintenance tasks can produce expensive changes in an airline’s operation. When it comes to critical tasks, it might even cancel programmed flights. Despite this, the challenge of scheduling aircraft maintenance operations under uncertainty has received limited attention in the scientific literature. We study a dynamic airline maintenance scheduling problem, which daily decides the set of aircraft to maintain and the set of pending tasks to execute in each aircraft. The objective is to minimize the expected costs of expired maintenance tasks over the operating horizon. To increase flexibility and reduce costs, we integrate maintenance scheduling with tail assignment decisions. We formulate our problem as a Markov decision process and design dynamic policies based on approximate dynamic programming, including value function approximation, rolling horizon techniques, and a hybrid policy between the latter two that delivers the best results. In a case study based on LATAM airline, we show the value of dynamic optimization by testing our best policies against a simple airline decision rule and a deterministic relaxation with perfect future information. We suggest to schedule tasks requiring less resources first to increase utilization of residual maintenance capacity. Finally, we observe strong economies of scale when sharing maintenance resources between multiple airlines.
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Dissertations / Theses on the topic "Airline Schedule"

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Lohatepanont, Manoj 1974. "Incremental airline schedule design." Thesis, Massachusetts Institute of Technology, 1998. http://hdl.handle.net/1721.1/28210.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering; and, (S.M.)--Massachusetts Institute of Technology, Sloan School of Management, Operations Research Center, February 1999.
Includes bibliographical references (p. 83-86).
We consider the problem of integrating flight schedule design and fleet assignment decisions at airlines. The flight schedule design problem involves selecting and scheduling the set of flight legs that an airline will include in its service network. Fleet assignment involves assigning a particular aircraft type to each flight leg in the schedule. Due to the particularly challenging nature of schedule design problems, we limit our focus to that of incremental schedule design. Incremental schedule design involves the modification of a given flight schedule to produce an improved schedule by adding, deleting, and rescheduling flight legs. We present models and algorithms to achieve incremental schedule design and unlike previous schedule design efforts, we explicitly model flight demand and supply interactions. We present two case studies, using our models and algorithms. The first case study allows flight additions and deletions, while the second allows flights to be rescheduled. Future case studies well integrate these flight modification options. In our first case study, high-yield flights are maintained in the schedule and low-yield flights are dropped. Although the resulting schedule incurs higher spill costs, the savings from flight operating costs are sufficiently large to offset these higher spill costs, resulting in a more profitable schedule. The second case study, allowing flights to be rescheduled, considers several network sizes including the domestic network of a large U.S. airline. We consider Free Flight, a system allowing reduced flying times due to improved utilization of the national airspace. We find that reductions in flying times of about 10% can lead to dramatic cost savings for the airline, including reductions in the number of aircraft needed to fly the flight schedule.
by Manoj Lohatepanont.
S.M.
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Al-Haimi, Abdullah A. "Airline schedule punctuality management." Thesis, Cranfield University, 1991. http://dspace.lib.cranfield.ac.uk/handle/1826/9828.

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Airline schedule punctuality is a complex problem and one of the major concerns of the airline top management. Flight schedule disturbances may occur as delays and/or cancellations. There are many internal and external reasons for delays. These delays may propagate in the aircraft cycles and cause a large schedule disturbance. This may influences passenger satisfaction and airline resources. The objective of this research is to formulate a systematic approach for schedule punctuality which supports management decision making. The punctuality management system is structured to combine all schedule punctuality components, input and output variables. Five models are incorporated in this system. The first model is the disturbance model which generates random delays based on an estimated Lognormal delay distribution function. The delay analysis is carried out from a one year sample of delay statistics in which general, original , reactionary and other delay types are classified. The second model is the recovery model which incorporates the disturbance model with management strategies to determine delay propagation. A PC based simulation model (SKDMOD) is developed as a prototype which integrates disturbance and recovery models using SIMSCRIPT 11.5. 18 management strategies are simulated covering ground times (30, 40 and 50 minutes), maximum delay times to assign spare aircraft (1, 2, 3, 4, 5, and 6 hours) and spare aircraft using part of the domestic network of Saudi Arabia. The third model is the passengers' attitude model which determines the delay impact functions and the maximum passenger revenue loss based on 262 responses from a passenger interview survey. The fourth model is the revenue model which estimates the passengers' revenue loss. The fifth model is the cost model which estimates the extra cost resulting from implementation of the management strategies. All strategies are evaluated to determine the optimum based on profit and profit margin. OPTIM is the optimization program developed to find the optimum strategy(ies). This approach provides a guidelines for the management of punctuality. It integrates all the tools developed in a decision support system framework.
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Jiang, Hai 1979. "Dynamic airline scheduling and robust airline schedule de-peaking." Thesis, Massachusetts Institute of Technology, 2006. http://hdl.handle.net/1721.1/37976.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2006.
Includes bibliographical references (p. 151-156).
Demand stochasticity is a major challenge for the airlines in their quest to produce profit maximizing schedules. Even with an optimized schedule, many flights have empty seats at departure, while others suffer a lack of seats to accommodate passengers who desire to travel. Recognizing that demand forecast quality for a particular departure date improves as the date comes close, we tackle this challenge by developing a dynamic scheduling approach that re-optimizes elements of the flight schedule during the passenger booking period. The goal is to match capacity to demand, given the many operational constraints that restrict possible assignments. We introduce flight re-timing as a dynamic scheduling mechanism and develop a re-optimization model that combines both flight re-timing and flight re-fleeting. Our re-optimization approach, re-designing the flight schedule at regular intervals, utilizes information from both revealed booking data and improved forecasts available at later re-optimizations. Experiments are conducted using data from a major U.S. airline. We demonstrate that significant potential profitability improvements are achievable using this approach.
(cont.) We complement this dynamic re-optimization approach with models and algorithms to de-peak existing hub-and-spoke flight schedules so as to maximize future dynamic scheduling capabilities. In our robust de-peaking approach, we begin by solving a basic de-peaking model to provide a basis for comparison of the robust de-peaked schedule we later generate. We then present our robust de-peaking model to produce a schedule that maximizes the weighted sum of potentially connecting itineraries and attains at least the same profitability as the schedule produced by the basic de-peaking model. We provide several reformulations of the robust de-peaking model and analyze their properties. To address the tractability issue, we construct a restricted model through an approximate treatment of the profitability requirement. The restricted model is solved by a decomposition based solution approach involving a variable reduction technique and a new form of column generation. We demonstrate, through experiments using data from a major U.S. airline, that the schedule generated by our robust de-peaking approach achieves improved profitability.
by Hai Jiang.
Ph.D.
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Morin, Massimo (Massimo Giacomo) 1971. "Metrics and methods of improving airline schedule reliability." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/8097.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 2001.
Includes bibliographical references (p. 161-163).
Airline scheduling is a daunting task. Much time and resources are spent by airlines developing a schedule that meets expectations of profitability and competitiveness. Most of the time, however, the reliability aspect has a minor, if any, role in such a process. In reality disruption of the schedule occurs due to unforeseen events such as weather conditions, traffic congestion, and mechanical problems. The outcomes of these events are cancellations and delays. The impact that these disruptions have on airline operations is not only the increased cost for system maintenance and recovery, but also the loss of profitability and the perception of poor and unreliable service for the flying customer. In this thesis we present an analysis of the schedule design process, highlight the drawbacks of the current proceedings and outline of new and more flexible framework for schedule design. We define a reliability measure, the Option Value, and a way of comparing flights based on the reliability they are providing, via the Option Disruption Value. The idea of reliability is based on the concept of flight performance: a flight is more reliable if it is able to match or outperform the on-time performance of the flights that leaves its origin station and arrives at its final destination at or near its arrival and departure times. Based on these two measurements, we quantify the robustness and coverage of a sample schedule. Alternative passenger ratings are defined based on the concept of alternative itineraries (Coverage) and alternative independent itineraries (Robustness) that connect two locations. These are the Flight Options and the Flight Protection Options, respectively. Fifteen methods to modify flight schedule are proposed. One method, Reduce/increase Flight Slack Time (R/IFTS) was evaluated. Results indicate that R/IFTS was effective in increasing reliability in 70% of the flight considered, but that other methods need to be employed if reliability is to be increased further.
by Massimo Morin.
S.M.
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Shenoi, Rajesh Gopalakrishna. "Integrated airline schedule optimization : models and solution methods." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/10655.

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Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1996.
Includes bibliographical references (p. 133-148).
by Rajesh Gopalakrishna Shenoi.
Ph.D.
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Yuan, Duojia, and S3024047@student rmit edu au. "Flight Delay-Cost Simulation Analysis and Airline Schedule Optimization." RMIT University. Aerospace, Mechanical, Manufacturing Engineering, 2007. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080618.092923.

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In order to meet the fast-growing demand, airlines have applied much more compact air-fleet operation schedules which directly lead to airport congestion. One result is the flight delay, which appears more frequently and seriously; the flight delay can also significantly damage airline's profitability and reputation The aim of this project is to enhance the dispatch reliability of Australian X Airline's fleet through a newly developed approach to reliability modeling, which employs computer-aided numerical simulation of the departure delay distribution and related cost to achieve the flight schedule optimization. The reliability modeling approach developed in this project is based on the probability distributions and Monte Carlo Simulation (MCS) techniques. Initial (type I) delay and propagated (type II) delay are adopted as the criterion for data classification and analysis. The randomicity of type I delay occurrence and the internal relationship between type II delay and changed flight schedule are considered as the core factors in this new approach of reliability modeling, which compared to the conventional assessment methodologies, is proved to be more accurate on the departure delay and cost evaluation modeling. The Flight Delay and Cost Simulation Program (FDCSP) has been developed (Visual Basic 6.0) to perform the complicated numerical calculations through significant amount of pseudo-samples. FDCSP is also designed to provide convenience for varied applications in dispatch reliability modeling. The end-users can be airlines, airports and aviation authorities, etc. As a result, through this project, a 16.87% reduction in departure delay is estimated to be achieved by Australian X Airline. The air-fleet dispatch reliability has been enhanced to a higher level - 78.94% compared to initial 65.25%. Thus, 13.35% of system cost can be saved. At last, this project also achieves to set a more practical guideline for air-fleet database and management upon overall dispatch reliability optimization.
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Karow, Michelle J. (Michael Janine) 1979. "Virtual hubs : an airline schedule recovery concept and model." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/29572.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2003.
Includes bibliographical references (leaves 61-62).
Inclement weather at an airline's hub airport can be devastating to that airline's schedule. The repercussions resonate throughout the airline's network as capacity is reduced, connections are missed, and passengers are delayed on a larger scale than during irregular operations at a spoke airport. The main hypothesis behind the work presented in this thesis is that by shifting a small fraction of a connecting bank to strategically located, under-utilized airports during irregular operations, an airline can reduce costs and aircraft delays relative to current industry rescheduling practices. These proposed "virtual hubs" would, in addition to hosting selected connecting traffic that is shifted from the original hub in order to maximize passenger flow through the network, also reduce the demand on the nominal hub airport. The primary goal of this research project was to develop methods for the implementation of a virtual hub network and evaluate the potential benefits to the airline industry. To that end, a mathematical formulation is presented along with a case study of the benefits of a virtual hub to a major US airline. The actual recovered schedule and delay statistics for a day of irregular operations was compared to the results from the virtual hub network. Results indicate that significant passenger delays are reduced 94% and flight cancellations are reduced by 15% when a virtual hub network is implemented.
by Michelle J. Karow.
S.M.
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Skaltsas, Gerasimos. "Analysis of airline schedule padding on U.S. domestic routes." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/66870.

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Thesis (S.M. in Transportation)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2011.
Cataloged from PDF version of thesis.
Includes bibliographical references (p. 125-127).
Every airline passenger faces the risk of arriving late because flight times are subjected to many sources of variability. These can be weather conditions and airspace congestion, imbalances between airport demand and capacity, fleet and crew availability, technical failures and delays in maintenance, and other airline operations such as boarding and fueling. The main objective of this thesis is to explore the most common sources of variability in flight operations and study how U.S. carriers add buffer time (or pad) to scheduled block time to account for them. Using flight data from FAA Aviation System Performance Metrics, we analyze the scheduled and actual flight times on 2359 directional non-stop domestic routes during 2009. The time of each flight is decomposed to delay at gate, taxi-out time, airborne time and taxi-in time. Then, the buffer time of each flight is computed, using as nominal airborne time the lO percentile of the actual airborne time distribution. Our study consists of two parts. First, an aggregate statistical analysis is performed, concentrating on trends and correlations among factors such as buffer, flight time components, route distance, seasonality effects, delays caused by Ground Delay Programs, time of day and day of week, a flight's relative position to other flights operated on the same day by the same aircraft, total number of flights operated by the same aircraft during a day, the role of airport and carriers' network structure. Finally, we perform an econometric analysis through linear regression models to estimate how some of the above factors affect carriers' padding and their on-time performance. The results indicate distance and time of day to be the most important factors that affect schedule padding. While absolute buffer increases with distance, when buffer is measured as a fraction of nominal block time it decreases exponentially. Furthermore, buffer and on-time performance fluctuate strongly over the course of the day, with flights scheduled to arrive during the evening peak having the worst on-time performance, despite the fact that these flights are padded the most. The data reveal that among the studied carriers Southwest pads its schedule more extensively, achieving a very high on-time performance, whereas other low cost carriers pad their flights substantially less, and have a lower on-time performance. Our findings also show that flights destined to the carrier's hub have more buffer than flights destined to spoke airports. Last, competition has a positive effect on schedule buffer and on-time performance.
by Gerasimos Skaltsas.
S.M.in Transportation
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Agbokou, Claudine Biova 1979. "Robust airline schedule planning : review and development of optimization approaches." Thesis, Massachusetts Institute of Technology, 2004. http://hdl.handle.net/1721.1/30143.

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Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering; and, (S.M.)--Massachusetts Institute of Technology, Operations Research Center, 2004.
Includes bibliographical references (p. 87-89).
Major airlines aim to generate schedules that maximize profit potential and satisfy constraints involving flight schedule design, fleet assignment, aircraft maintenance routing and crew scheduling. Almost all aircraft and crew schedule optimization models assume that flights, aircraft, crews, and passengers operate as planned. Thus, airlines typically construct plans that maximize revenue or minimize cost based on the assumption that every flight departs and arrives as planned. Because flight delays and cancellations result from numerous causes, including severe weather conditions, unexpected aircraft and crew failures, and congestion at the airport and in the airspace, this deterministic, optimistic scenario rarely, if ever, occurs. In fact, schedule plans are frequently disrupted and airlines often incur significant costs in addition to those originally planned. To address this issue, an approach is to design schedules that are robust to schedule disruptions and attempt to minimize realized, and not planned, costs. In this research, we review recovery approaches and robustness criteria in the context of airline schedule planning. We suggest new approaches for designing fleet assignments that facilitate recovery operations, and we present models to generate plans that allow for more robust crew operations, based on the idea of critical crew connections. We also examine the impact on robustness of new scheduling practices to debank hub airports.
by Claudine Biova Agbokou.
S.M.
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Lohatepanont, Manoj 1974. "Airline fleet assignment and schedule design : integrated models and algorithms." Thesis, Massachusetts Institute of Technology, 2002. http://hdl.handle.net/1721.1/8297.

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Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2002.
Includes bibliographical references (p. 187-192).
In scheduled passenger air transportation, airline profitability is critically influenced by the airline's ability to construct flight schedules containing flights at desirable times in profitable markets. In this dissertation, we study two elements of the schedule generation process, namely, schedule design and fleet assignment. The schedule design problem involves selecting an optimal set of flight legs to be included in the schedule, while the fleet assignment problem involves assigning aircraft types (or fleets) to flight legs to maximize revenues and minimize operating costs simultaneously. With the fleet assignment problem, we investigate the issues of network effects, spill, and recapture. On a constrained flight leg in which demand exceeds capacity, some passengers are not accommodated, or spilled. When passengers travel on two or more constrained legs, flight leg interdependencies or network effects arise because spill can occur on any of these legs. In most basic fleet assignment models, simplistic modeling of network effects and recapture leads to sometimes severe, miscalculations of revenues. Recapture occurs when some of the spilled passengers are re-accommodated on alternate itineraries in the system. In this dissertation, we develop new fleet assignment models that capture network effects, spill, and recapture. Another benefit of one of our models is its tractability and potential for further integration with other schedule planning steps.
(cont.) Our study shows that the benefits of modeling these elements can be as large as $100 million annually for a major U.S. airline. In addition, we show that modeling flight leg interdependence is more important than demand stochasticity for hub-and-spoke fleet assignment problems. We develop two models for schedule design, one assuming that the market share of an airline remains constant with schedule changes; and the other assuming that market share varies with schedule changes. The constant market share model, while less precise in its modeling, is much easier to solve than the variable market share model. We estimate that the potential benefits of these models range from $100 to $350 million annually.
Manoj Lohatepanont.
Sc.D.
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Books on the topic "Airline Schedule"

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Airline operations and delay management: Insights from airline economics, networks, and strategic schedule planning. Farnham, Surrey: Ashgate, 2010.

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Wu, Cheng-Lung. Airline operations and delay management: Insights from airline economics, networks, and strategic schedule planning. Farnham, Surrey: Ashgate, 2009.

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3

Rupp, Nicholas G. Airline schedule recovery after airport closures: Empirical evidence since September 11th. Cambridge, MA: National Bureau of Economic Research, 2003.

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4

Air Canada's domestic economy fare formula and its relationship to average domestic scheduled costs. Ottawa-Hull: Canadian Transport Commission, 1986.

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Civil Aviation Authority. Financial protection for scheduled airlines' passengers: Advice to the Secretaryof State for Transport. London: Civil Aviation Authority, 1991.

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Hartle, S. Is liberalisation occurring?: If so, what are the effects on scheduled airlines marketing strategies?. Oxford: Oxford Brookes University, 1996.

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Office, General Accounting. Military airlift: C-17 faces schedule, cost, and performance challenges : report to Congressional committees. Washington, D.C: The Office, 1989.

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Office, General Accounting. Military airlift: C-17 faces schedule, cost, and performance challenges : report to Congressional committees. Washington, D.C: The Office, 1989.

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Office, General Accounting. Military airlift: C-17 faces schedule, cost, and performance challenges : report to Congressional committees. Washington, D.C: The Office, 1989.

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Keith, Mason. Europe's low cost airlines: An analysis of the economics and operating characteristics of Europe's charter and low cost scheduled carriers. [Cranfield]: College of Aeronautics, Cranfield University, 2000.

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Book chapters on the topic "Airline Schedule"

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Barnhart, Cynthia, Fang Lu, and Rajesh Shenoi. "Integrated Airline Schedule Planning." In Operations Research in the Airline Industry, 384–403. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5501-8_13.

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Jacobs, Timothy L., Laurie A. Garrow, Manoj Lohatepanont, Frank S. Koppelman, Gregory M. Coldren, and Hadi Purnomo. "Airline Planning and Schedule Development." In International Series in Operations Research & Management Science, 35–99. Boston, MA: Springer US, 2011. http://dx.doi.org/10.1007/978-1-4614-1608-1_2.

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Luo, Songjun, and Gang Yu. "Airline Schedule Perturbation Problem: Ground Delay Program with Splitable Resources." In Operations Research in the Airline Industry, 433–60. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5501-8_15.

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Kim, Byung Tech, and Young Hoon Lee. "Heuristic Approach to Schedule Crew for a Regional Airline." In Computer and Information Sciences – ISCIS 2006, 65–74. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11902140_9.

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Luo, Songjun, and Gang Yu. "Airline Schedule Perturbation Problem: Landing and Takeoff with Nonsplitable Resource for the Ground Delay Program." In Operations Research in the Airline Industry, 404–32. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5501-8_14.

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Guo, Yufeng. "A Decision Support Framework for the Airline Crew Schedule Disruption Management with Strategy Mapping." In Operations Research Proceedings 2004, 158–65. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/3-540-27679-3_20.

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Dück, Viktor, Natalia Kliewer, and Leena Suhl. "Stability of Airline Schedules." In Operations Research Proceedings 2008, 265–70. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00142-0_43.

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Camilleri, Mark Anthony. "Airline Schedules Planning and Route Development." In Tourism, Hospitality & Event Management, 179–90. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-49849-2_11.

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"Airline Schedule Recovery." In Modeling Applications in the Airline Industry, 265–86. Routledge, 2016. http://dx.doi.org/10.4324/9781315595818-30.

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"Schedule Robustness." In Airline Network Planning and Scheduling, 345–58. Hoboken, NJ, USA: John Wiley & Sons, Inc., 2018. http://dx.doi.org/10.1002/9781119275909.ch21.

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Conference papers on the topic "Airline Schedule"

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Haeme, R. A., J. L. Huttinger, and R. W. Shore. "Airline performance modelling to support schedule development." In the 20th conference. New York, New York, USA: ACM Press, 1988. http://dx.doi.org/10.1145/318123.318327.

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Feldman, Gregory, Paul Williams, Roger Beatty, and Richard Zelenka. "Improving airline schedule management through accurate flight arrival prediction." In AIAA Guidance, Navigation, and Control Conference and Exhibit. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2001. http://dx.doi.org/10.2514/6.2001-4113.

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Lapp, Marcial, Shervin AhmadBeygi, Amy Cohn, and Omer Tsimhoni. "A recursion-based approach to simulating airline schedule robustness." In 2008 Winter Simulation Conference (WSC). IEEE, 2008. http://dx.doi.org/10.1109/wsc.2008.4736382.

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Ng, Kam K. H., K. L. Keung, C. K. M. Lee, and Y. T. Chow. "A Large Neighbourhood Search Approach to Airline Schedule Disruption Recovery Problem." In 2020 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM). IEEE, 2020. http://dx.doi.org/10.1109/ieem45057.2020.9309768.

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Berge, Matthew, Michael Carter, Aslaug Haraldsdottir, Bruno Repetto, and Laura Kang. "Airline Schedule Recovery in Flow Management: An Application for Departure Re-Routing." In 2006 ieee/aiaa 25TH Digital Avionics Systems Conference. IEEE, 2006. http://dx.doi.org/10.1109/dasc.2006.313784.

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Hasachoo, Narat, and Ruedee Masuchun. "Factors affecting schedule nervousness in the production operations of airline catering industry." In 2015 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM). IEEE, 2015. http://dx.doi.org/10.1109/ieem.2015.7385697.

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Tung-Kuan Liu, Yu-Ting Liu, Chiu-Hung Chen, Jyh-Horng Chou, Jinn-Tsong Tsai, and Wen-Hsien Ho. "Multi-objective optimization on robust airline schedule recover problem by using evolutionary computation." In 2007 IEEE International Conference on Systems, Man and Cybernetics. IEEE, 2007. http://dx.doi.org/10.1109/icsmc.2007.4413946.

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Beatty, Roger. "Replanning the plan, or how to fix a broken airline schedule and still keep a sense of humor." In Aircraft Engineering, Technology, and Operations Congress. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1995. http://dx.doi.org/10.2514/6.1995-3896.

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Hasachoo, N., and R. Masuchun. "Reducing schedule nervousness in production and operations under non-stationary stochastic demand: The case of an airline catering company." In 2016 IEEE International Conference on Industrial Engineering and Engineering Management (IEEM). IEEE, 2016. http://dx.doi.org/10.1109/ieem.2016.7798016.

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Dollyhigh, Samuel, Jeremy Smith, Jeffrey Viken, Antonio Trani, Hojong Baik, Nicolas Hinze, and Senanu Ahiabor. "Projecting Future Scheduled Airline Demand, Schedules, and NGATS Benefits Using TSAM." In 6th AIAA Aviation Technology, Integration and Operations Conference (ATIO). Reston, Virigina: American Institute of Aeronautics and Astronautics, 2006. http://dx.doi.org/10.2514/6.2006-7749.

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Reports on the topic "Airline Schedule"

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Rupp, Nicholas, George Holmes, and Jeff DeSimone. Airline Schedule Recovery after Airport Closures: Empirical Evidence Since September 11th. Cambridge, MA: National Bureau of Economic Research, June 2003. http://dx.doi.org/10.3386/w9744.

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