Flight Gaoqi International Airport departs from Xiamen Gaoqi International Airport at 08:40 and arrives at Bangkok Don Mueang International Airport at 11:15.
The flighttime is about 3h 35m. The distance travelled ("as the bird flies"): 1980 Km. So the average speed is roughly 553 Km.
There is an 1 hour time difference between Xiamen and Bangkok