Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 10:50 and arrives at Ho Chi Minh City Tan Son Nhat International Airport at 12:20.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 660 Km. So the average speed is roughly 440 Km.
The best day to arrive at Bangkok is Thursday and it would be best to avoid Sunday, as prices are on average 168.32% higher than on Thursday. (Average prices, based on 4520380 datapoints.)
We have a lot more statistics for flights VZ 970 and between Bangkok and Ho Chi Minh City.