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Inherent delays and operational reliability of airline schedules

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  • Wu, Cheng-Lung

Abstract

This paper explores the inherent delays of airline schedules resulting from limited buffer times and stochastic disruptions in airline operations. The reliability of airline schedules is discussed and a set of measuring indices is developed to evaluate schedule reliability. It is found that significant gaps exist between the real operating delays, the inherent delays (from simulation) and the zero-delay scenario. Delay propagation and its impact on schedule reliability are also discussed. Results show that airline schedules must consider the stochasticity in daily operations. Schedules may become robust and reliable, only if buffer times are embedded and designed properly in airline schedules.

Suggested Citation

  • Wu, Cheng-Lung, 2005. "Inherent delays and operational reliability of airline schedules," Journal of Air Transport Management, Elsevier, vol. 11(4), pages 273-282.
    • Handle: RePEc:eee:jaitra:v:11:y:2005:i:4:p:273-282
    DOI: 10.1016/j.jairtraman.2005.01.005
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    References listed on IDEAS

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    1. Cheng-Lung Wu & Robert E. Caves, 2003. "The punctuality performance of aircraft rotations in a network of airports," Transportation Planning and Technology, Taylor & Francis Journals, vol. 26(5), pages 417-436, October.
    2. Abdelghany, Khaled F. & S. Shah, Sharmila & Raina, Sidhartha & Abdelghany, Ahmed F., 2004. "A model for projecting flight delays during irregular operation conditions," Journal of Air Transport Management, Elsevier, vol. 10(6), pages 385-394.
    3. Wu, Cheng-Lung & Caves, Robert E., 2002. "Towards the optimisation of the schedule reliability of aircraft rotations," Journal of Air Transport Management, Elsevier, vol. 8(6), pages 419-426.
    4. Cynthia Barnhart & Natashia L. Boland & Lloyd W. Clarke & Ellis L. Johnson & George L. Nemhauser & Rajesh G. Shenoi, 1998. "Flight String Models for Aircraft Fleeting and Routing," Transportation Science, INFORMS, vol. 32(3), pages 208-220, August.
    5. Wu, Cheng-Lung & Caves, Robert E., 2002. "Modelling of aircraft rotation in a multiple airport environment," Transportation Research Part E: Logistics and Transportation Review, Elsevier, vol. 38(3-4), pages 265-277, May.
    6. Cheng-Lung Wu & Robert E. Caves, 2003. "Flight schedule punctuality control and management: a stochastic approach," Transportation Planning and Technology, Taylor & Francis Journals, vol. 26(4), pages 313-330, August.
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    Cited by:

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    5. Ivanov, Nikola & Netjasov, Fedja & Jovanović, Radosav & Starita, Stefano & Strauss, Arne, 2017. "Air Traffic Flow Management slot allocation to minimize propagated delay and improve airport slot adherence," Transportation Research Part A: Policy and Practice, Elsevier, vol. 95(C), pages 183-197.
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    8. Michelle Dunbar & Gary Froyland & Cheng-Lung Wu, 2012. "Robust Airline Schedule Planning: Minimizing Propagated Delay in an Integrated Routing and Crewing Framework," Transportation Science, INFORMS, vol. 46(2), pages 204-216, May.
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    11. Mulder, J. & van Jaarsveld, W.L. & Dekker, R., 2016. "Simultaneous optimization of speed and buffer times for robust transportation systems," Econometric Institute Research Papers EI2016-36, Erasmus University Rotterdam, Erasmus School of Economics (ESE), Econometric Institute.
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