Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 19:25 and arrives at Ho Chi Minh City Tan Son Nhat International Airport at 21:05.
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 Bangkok is Thursday and it would be best to avoid Friday, as prices are on average 205.34% higher than on Thursday. (Average prices, based on 285778 datapoints.)
We have a lot more statistics for flights FD 658 and between Bangkok and Ho Chi Minh City.