Cancellation of flights is a drastic remedy of those coping methods.It can weaken the delay propagation to some extent.The weakened degree is related to the number of flights cancelled.

• 其中航班取消是一种釜底抽薪的应对方法，可以在一定程度上削弱上述条件下的延误波及，其削弱程度与航班取消的架次有关。