Flight Tan Son Nhat International Airport departs from Ho Chi Minh City Tan Son Nhat International Airport at 20:10 and arrives at Bangkok Suvarnabhumi Airport at 21:35.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 660 Km. So the average speed is roughly 466 Km.
The best day to arrive at Ho Chi Minh City is Saturday and it would be best to avoid Tuesday, as prices are on average 170.84% higher than on Saturday. (Average prices, based on 924221 datapoints.)
We have a lot more statistics for flights TG 557 and between Ho Chi Minh City and Bangkok.