Approaches to Incorporating Robustness into Airline Scheduling

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Approaches to Incorporating Robustness into Airline Scheduling

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Ageeva, Yana / Clarke, John-Paul

The airline scheduling process used by major airlines today aims to develop opti- mal schedules which maximize revenue. However, these schedules are often far from \optimal" once deployed in the real world because they do not accurately take into account possible weather, air tra c control (ATC), and other disruptions that can occur during operation. The resulting ight delays and cancellations can cause sig- ni cant revenue loss, not to mention service disruptions and customer dissatisfaction. A novel approach to addressing this problem is to design schedules that are robust to schedule disruptions and can be degraded at any airport location or in any region with minimal impact on the entire schedule. This research project suggests new methods for creating more robust airline schedules which can be easily recovered in the face of irregular operations. We show how to create multiple optimal solutions to the Aircraft Routing problem and suggest how to evaluate robustness of those solutions. Other potential methods for increasing robustness of airline schedules are reviewed.