Flight Haikou Meilan International Airport departs from Haikou Haikou Meilan International Airport at 21:25 and arrives at Chongqing Chongqing Jiangbei International Airport at 23:30.
The flighttime is about 3h 05m. The distance travelled ("as the bird flies"): 546 Km. So the average speed is roughly 177 Km.
There is an 1 hour time difference between Haikou and Chongqing