Flight Phnom Penh International Airport departs from Phnom Penh Phnom Penh International Airport at 14:10 and arrives at Ho Chi Minh City Tan Son Nhat International Airport at 15:25.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 202 Km. So the average speed is roughly 162 Km.
The best day to arrive at Phnom Penh is Friday and it would be best to avoid Wednesday, as prices are on average 200.25% higher than on Friday. (Average prices, based on 145024 datapoints.)
We have a lot more statistics for flights VN 921 and between Phnom Penh and Ho Chi Minh City.