Flight Chongqing Jiangbei International Airport departs from Chongqing Chongqing Jiangbei International Airport at 06:40 and arrives at Haikou Haikou Meilan International Airport at 08:55.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 546 Km. So the average speed is roughly 437 Km.
There is an 1 hour time difference between Chongqing and Haikou