OVERNIGHT thunderstorms led to the cancelation of about 80 flights, and delays to 175 others at Shanghai’s two airports, officials said yesterday.

Hongqiao International was the more seriously affected by the storm, which began about 8pm and led to 115 flights being delayed and 53 being canceled. At Pudong, more than 60 flights were delayed and about 30 were canceled.

Airports in neighboring Zhejiang, Jiangsu and Anhui provinces were also affected by the storms, and authorities have asked people planning to fly to check with their carriers before going to the airport.