In both years the vast majority of complaints concerned flight delays, cancellations, mishandled baggage, and customer service.

在这两年中，绝大多数投诉都与航班延误、航班取消、行李处理不当和客户服务有关。

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A problem in the computer system that collects airline flight plans from across the United States caused widespread flight cancellations and hours of delays Thursday.

美国处理飞行计划的电脑系统星期四出现故障，导致许多航班被取消及数小时的延误。

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Two weeks later 11 pilots with East Star Air also requested sick-leave, resulting in long delays and several flight cancellations out of Wuhan.

两周后东星航空公司的11名飞行员也请病假，导致武汉长时间的航班延误以及几个航班的取消。

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The white stuff prompted flight cancellations and delays across the Midwest and Mid-Atlantic states.

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In a statement on its website, Lufthansa said passengers should expect "massive" flight cancellations and delays that will start to affect long-haul flights from Sunday.

BBC: Lufthansa strike causes flight cancellations

And even though the nightmarish flight delays and cancellations that the airline industry predicted would result from the furloughs did not materialize yet, the real test will come Monday, when traffic ramps up.

NPR: FAA Furloughs Kick In, Some Flight Delays Appear