Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 17:05 and arrives at Yangon Yangon International Airport at 18:00.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 516 Km. So the average speed is roughly 364 Km.
There is an 0.5 hour time difference between Bangkok and Yangon
The best day to arrive at Bangkok is Monday and it would be best to avoid Sunday, as prices are on average 111.25% higher than on Monday. (Average prices, based on 533500 datapoints.)
We have a lot more statistics for flights TG 303 and between Bangkok and Yangon.