flight cancellations
last-minute cancellations
sudden cancellations
cancellation policy
A: Why are there so many flight cancellations today?
A：为什么今天的航班取消了这么多？
B: The heavy snowstorm is causing many cancellations.
B：大暴雪导致了许多航班取消。
1) 指取消某项活动或计划的行为。
2) 指被取消的各项事件（如订单、航班）。
3) 指法律、规则或契约的废止。
1. 取消，废止
noun
1. The act of deciding that something will not take place, or instances of being cancelled.
Synonym: termination, annulment, revocation