Flight Tan Son Nhat International Airport departs from Ho Chi Minh City Tan Son Nhat International Airport at 15:50 and arrives at Bangkok Don Mueang International Airport at 17:30.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 677 Km. So the average speed is roughly 406 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 69.5% higher than on Saturday. (Average prices, based on 80499 datapoints.)
We have a lot more statistics for flights FD 655 and between Ho Chi Minh City and Bangkok.