Flight Yangon International Airport departs from Yangon Yangon International Airport at 01:40 and arrives at Hong Kong Hong Kong International Airport at 05:55.
The flighttime is about 2h 45m. The distance travelled ("as the bird flies"): 1980 Km. So the average speed is roughly 720 Km.
There is an 1.5 hour time difference between Yangon and Hong Kong