More than 9,000 passengers were held up Sunday at Chengdu Shuangliu International Airport in southwestern China's Sichuan Province as a total of 11 flights were canceled and almost 100 flights delayed due to heavy rainstorms.

Moreover, more than 200 flights were delayed, about 20 flights were canceled Saturday for the same reason. More than 10,000 passengers were stranded as a result on Saturday.

The chain effects resulted in longer delays on Sunday.

The airport said some flights would have to be postponed to Monday.