Airline mitigation of propagated delays via schedule buffers: Theory and empirics

Jan Brueckner, Achim I. Czerny and Alberto Gaggero

Transportation Research Part E: Logistics and Transportation Review, 2021, vol. 150, issue C

Abstract: This paper presents an extensive theoretical and empirical analysis of the choice of schedule buffers by airlines. With airline delays a continuing problem around the world, such an undertaking is valuable, and its lessons extend to other passenger transportation sectors. One useful lesson from the theoretical analysis of a two-flight model is that the mitigation of delay propagation is done entirely by the ground buffer and the second flight’s buffer. The first flight’s buffer plays no role because the ground buffer is a perfect, while nondistorting, substitute. In addition, the apportionment of mitigation responsibility between the ground buffer and the second flight's buffer is shown to depend on the relationship between the costs of ground- and flight-buffer time. The empirical results show the connection between buffer magnitudes and a host of explanatory variables, including the variability of flight times, which simulations of the model identify as an important determining factor.

Keywords: Flight buffer; Ground buffer; Delay propagation; Airline scheduling (search for similar items in EconPapers)
Date: 2021
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Citations: View citations in EconPapers (18)

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Working Paper: Airline Mitigation of Propagated Delays: Theory and Empirics on the Choice of Schedule Buffers (2019)
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DOI: 10.1016/j.tre.2021.102333

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