Flight Taoyuan International Airport departs from Taipei Taoyuan International Airport at 07:00 and arrives at Yangon Yangon International Airport at 09:35.
The flighttime is about 4h 05m. The distance travelled ("as the bird flies"): 2799 Km. So the average speed is roughly 685 Km.
There is an 1.5 hour time difference between Taipei and Yangon