Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 15:15 and arrives at Yangon Yangon International Airport at 16:55.
The flighttime is about 3h 10m. The distance travelled ("as the bird flies"): 1980 Km. So the average speed is roughly 625 Km.
There is an 1.5 hour time difference between Hong Kong and Yangon