A survival model for flight delay propagation

Jinn-Tsai Wong, Shy Chang Tsai*

*Corresponding author for this work

Research output: Contribution to journalArticle

51 Scopus citations


This paper examines flight delay propagation involving a Taiwanese domestic airline. The Cox proportional hazards model is used to develop departure and arrival delay models that show how flight delay propagation can be formulated through repeated chain effects in aircraft rotations. The hazard ratios obtained provide measures of the chances of recovering from flight delays under a variety of situations and the effects that individual contributing factors of flight delays have on airline schedule reliability.

Original languageEnglish
Pages (from-to)5-11
Number of pages7
JournalJournal of Air Transport Management
StatePublished - 1 Aug 2012


  • Cox proportional hazards model
  • Flight delay propagation
  • Survival analysis

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