Flight Changi Airport departs from Singapore Changi Airport at 18:25 and arrives at Ho Chi Minh City Tan Son Nhat International Airport at 19:40.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 405 Km. So the average speed is roughly 180 Km.
There is an 1 hour time difference between Singapore and Ho Chi Minh City
The best day to arrive at Singapore is Wednesday and it would be best to avoid Thursday, as prices are on average 85.32% higher than on Wednesday. (Average prices, based on 3094338 datapoints.)
We have a lot more statistics for flights VN 654 and between Singapore and Ho Chi Minh City.