01089479

Component

https://doi.org/10.3141/2052-11

http://scholar.google.com...nsen&publication_year=2008

A strategy for airline recovery from schedule perturbation caused by adverse weather or other temporary events is proposed. Capacity reduction at a hub airport caused by these temporary events is reflected as reduced slots (or later controlled time of arrivals) for airlines from ground delay programs. It is suggested that under severe circumstances legacy airlines with hub-and-spoke networks implement ground transportation into their network to substitute for flights. This strategy is called real-time intermodal substitution (RTIMS). RTIMS is different from air–rail cooperation practiced in Europe in that it is triggered only by a severe demand and supply imbalance at major hub airports and it performs operational integration of airside and ground transportation. Mathematical programming is presented to help airlines make decisions about if and how to delay, canceling flights, or substituting flights with buses. An approximation algorithm is proposed to obtain solutions, avoiding substantial computation time required to solve large-scale nonlinear integer programming. As an evaluation, experimental data are used to compare scenarios with and without tactical intermodal substitution.

01111962

English

pp 90-99

2008

Transportation Research Record: Journal of the Transportation Research Board

9780309113168

Print

Figures (6) ; References (18) ; Tables (4)

Airlines; Algorithms; Decision making; Flight delays; Ground transportation; Hub and spoke systems; Hubs; Perturbations; Programming (Mathematics); Schedules; Strategic planning

Airport congestion

Congestion mitigation; Real-time intermodal substitution; Recovery from delays

Aviation; Highways; Planning and Forecasting

TRIS, TRB, ATRI

Jan 29 2008 5:19PM

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