Flight Hangzhou Xiaoshan International Airport departs from Hangzhou Hangzhou Xiaoshan International Airport at 10:20 and arrives at Shenzhen Shenzhen Bao'an International Airport at 12:30.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 830 Km. So the average speed is roughly 383 Km.
The best day to arrive at Hangzhou is Wednesday and it would be best to avoid Monday, as prices are on average 58.15% higher than on Wednesday. (Average prices, based on 29192 datapoints.)
We have a lot more statistics for flights CZ 6850 and between Hangzhou and Shenzhen.