Improving airline operational performance through schedule perturbation |
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Authors: | Andrew J Schaefer George L Nemhauser |
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Institution: | (1) Department of Industrial Engineering, University of Pittsburgh, Pittsburgh, PA 15261, USA;(2) School of Industrial and Systems Engineering, Georgia Institute of Technology, Atlanta, 30332, GA, USA |
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Abstract: | Schedule development is typically the first phase of the airline planning process. We present a framework for perturbing scheduled
departure and arrival times after a crew schedule has been found. We characterize perturbations that keep a schedule legal
while not increasing the planned cost of the crew schedule. We show that when random delays occur in operations, the expected
cost can be reduced and the on-time performance improved. Computational results are reported for two real fleets and a large
number of crew schedules.
AMS Classification: 90B06 |
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Keywords: | Airline crew scheduling Uncertain operations Schedule development Integer programming |
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