Flight Hangzhou Xiaoshan International Airport departs from Hangzhou Hangzhou Xiaoshan International Airport at 17:35 and arrives at Shenzhen Shenzhen Bao'an International Airport at 19:50.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 830 Km. So the average speed is roughly 369 Km.
The best day to arrive at Hangzhou is Wednesday and it would be best to avoid Monday, as prices are on average 20.77% higher than on Wednesday. (Average prices, based on 30405 datapoints.)
We have a lot more statistics for flights ZH 9880 and between Hangzhou and Shenzhen.