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See detailThe impact of hubbing concentration on flight delays within airline networks: An empirical analysis of the US domestic market
Baumgarten, Patrick; Malina, Robert; Lange, Anne UL

in TRANSPORTATION RESEARCH PART E-LOGISTICS AND TRANSPORTATION REVIEW (2014), 66

This paper explores the relationship between hubbing activities and flight delays in the United States from an airline-specific network perspective. Airline hubbing is measured with the Hubbing ... [more ▼]

This paper explores the relationship between hubbing activities and flight delays in the United States from an airline-specific network perspective. Airline hubbing is measured with the Hubbing Concentration Index. We estimate the impact of hubbing behavior on delays, using three measures of delay, two based on delay against schedule, and the third based on buffer-corrected excess travel times. A significant (and positive) influence of hubbing concentration can only be found for the latter delay indicator. We conclude that airlines use buffer times to mitigate passenger-perceived delays against schedule that would, without buffers, arise from more complex network operations. (C) 2014 Elsevier Ltd. All rights reserved. [less ▲]

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