Airline Crew Scheduling with Regularity

  • Authors:
  • Diego Klabjan;Ellis L. Johnson;George L. Nemhauser;Eric Gelman;Srini Ramaswamy

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • Transportation Science
  • Year:
  • 2001

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Abstract

The airline crew scheduling problem is the problem of assigning crew itineraries to flights. The problem is hard due to a large number of itineraries and the complicated cost function of an itinerary. The classic approach, which uses a set partitioning formulation, only captures the objective function of minimizing cost. We add a second goal of maximizing the repetition or regularity of itineraries over a weekly horizon and we develop models that capture regularity. We present a new algorithm that solves the crew scheduling problem over a weekly horizon. Solutions are reported that improve on existing solutions used by an airline.