Setting a buffer time can effectively reduce the delay propagation when making a recovery plan for disturbed flights. This paper studies the disturbed flight recovery problem with buffer time. To achieve the objective of minimizing the total recovery cost, this paper introduces a mixed integer programming model, and a set-partitioning model is proposed. The problem is tackled using an enhanced branch-and-price algorithm incorporating two acceleration strategies to improve efficiency and solution quality. The CPLEX is used to compare with the algorithm in small-scale experiments to verify the model's and the algorithm's effectiveness. The large-scale experiments show the efficiency of the algorithm. The comparison experiment of the acceleration strategy shows a remarkable effect: the average solution time is reduced from 937.63 s to 185.22 s, and the average efficiency is increased by 80.25%.
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