Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 14:25 and arrives at Ho Chi Minh City Tan Son Nhat International Airport at 16:10.
The flighttime is about 1h 45m. The distance travelled ("as the bird flies"): 660 Km. So the average speed is roughly 377 Km.
The best day to arrive at Bangkok is Tuesday and it would be best to avoid Monday, as prices are on average 65.02% higher than on Tuesday. (Average prices, based on 4283624 datapoints.)
We have a lot more statistics for flights MH 604 and between Bangkok and Ho Chi Minh City.