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Improving Airline Network Robustness and Operational Reliability by Sequential Optimisation Algorithms

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  • Cheng-Lung Wu

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    Abstract

    A sequential optimisation algorithm is developed to improve the operational reliability of airline schedules. Simulation results show that departure delays are reduced by 30% after optimisation by using extra 260 min buffer times in the schedule. This also increases the network-wide schedule reliability from 37 to 52% and an estimated delay cost saving of $20 million dollars per annum for a small airline network. The advantage of sequential optimisation is that it considers the delay/punctuality propagation in airline networks, so to prevent airlines from planning excessive buffer times to individual flights by considering aircraft rotation as a whole process. Copyright Springer Science + Business Media, LLC 2006

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    File URL: http://hdl.handle.net/10.1007/s11067-006-9282-y
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    Bibliographic Info

    Article provided by Springer in its journal Networks and Spatial Economics.

    Volume (Year): 6 (2006)
    Issue (Month): 3 (September)
    Pages: 235-251

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    Handle: RePEc:kap:netspa:v:6:y:2006:i:3:p:235-251

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    Web page: http://www.springerlink.com/link.asp?id=106607

    Related research

    Keywords: Airline schedule robustness; Airline schedule reliability; Sequential optimisation; Aircraft routing; Delay propagation;

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    1. Wu, Cheng-Lung, 2005. "Inherent delays and operational reliability of airline schedules," Journal of Air Transport Management, Elsevier, vol. 11(4), pages 273-282.
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