Flight Chongqing Jiangbei International Airport departs from Chongqing Chongqing Jiangbei International Airport at 23:45 and arrives at Wenzhou Yongqiang Airport at 01:55.
The flighttime is about 1h 10m. The distance travelled ("as the bird flies"): 1582 Km. So the average speed is roughly 1356 Km.
There is an 1 hour time difference between Chongqing and Wenzhou