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American Airlines Arrival Slot Allocation System (ASAS)

Author

Listed:
  • Alberto Vasquez-Marquez

    (American Airlines Decision Technologies, Mail Drop 2B-56, PO Box 619616, Dallas/Fort Worth Airport, Texas 75261-9616)

Abstract

In early 1989, the system operations control center at American Airlines implemented a network-optimization-based system to help reduce delays imposed by air traffic control. The Arrival Slot Allocation System (ASAS) is an interactive decision support tool that uses a network-based heuristic to help flight dispatch personnel take advantage of flight cancellations to reschedule arrivals into an airport. When bad weather or other unpredictable factors reduce the capacity of the airport or airspace for traffic, the Federal Aviation Administration employs ground-delay programs to hold aircraft at their originating cities. These delays affect airline dependability statistics adversely and inconvenience passengers. In recent years, air traffic control has developed slot-substitution rules that allow airlines to use the arrival slots of canceled flights to reduce delays created by the ground-delay programs. In one year, using ASAS the system operations control center reduced the delays imposed by air traffic control by approximately 345,000 minutes. This translates into $5.2 million savings in direct operating costs for the airline. ASAS also improved dependability statistics for American Airlines by an average of two percent per ground-delay program.

Suggested Citation

  • Alberto Vasquez-Marquez, 1991. "American Airlines Arrival Slot Allocation System (ASAS)," Interfaces, INFORMS, vol. 21(1), pages 42-61, February.
  • Handle: RePEc:inm:orinte:v:21:y:1991:i:1:p:42-61
    DOI: 10.1287/inte.21.1.42
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    Citations

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    Cited by:

    1. Thomas W. M. Vossen & Michael O. Ball, 2006. "Slot Trading Opportunities in Collaborative Ground Delay Programs," Transportation Science, INFORMS, vol. 40(1), pages 29-43, February.
    2. Peter C. Bell & Chris K. Anderson, 2002. "In Search of Strategic Operations Research/Management Science," Interfaces, INFORMS, vol. 32(2), pages 28-40, April.
    3. Jay M. Rosenberger & Ellis L. Johnson & George L. Nemhauser, 2003. "Rerouting Aircraft for Airline Recovery," Transportation Science, INFORMS, vol. 37(4), pages 408-421, November.
    4. Michael F. Argüello & Jonathan F. Bard & Gang Yu, 1997. "A Grasp for Aircraft Routing in Response to Groundings and Delays," Journal of Combinatorial Optimization, Springer, vol. 1(3), pages 211-228, October.
    5. Bard, Jonathan F. & Mohan, Dinesh Natarajan, 2008. "Reallocating arrival slots during a ground delay program," Transportation Research Part B: Methodological, Elsevier, vol. 42(2), pages 113-134, February.
    6. Peter C. Bell & Chris K. Anderson & Stephen P. Kaiser, 2003. "Strategic Operations Research and the Edelman Prize Finalist Applications 1989--1998," Operations Research, INFORMS, vol. 51(1), pages 17-31, February.

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