Flight Soekarno–Hatta International Airport departs from Jakarta Soekarno–Hatta International Airport at 13:50 and arrives at Ho Chi Minh City Tan Son Nhat International Airport at 17:15.
The flighttime is about 3h 25m. The distance travelled ("as the bird flies"): 538 Km. So the average speed is roughly 157 Km.
The best day to arrive at Jakarta is Friday and it would be best to avoid Thursday, as prices are on average 61.75% higher than on Friday. (Average prices, based on 2495242 datapoints.)
This graph shows the distribution of prices found in the past years for this flight. (Average prices, based on 262 datapoints.)
We have a lot more statistics for flights VN 630 and between Jakarta and Ho Chi Minh City.