Flight Noi Bai International Airport departs from Hanoi Noi Bai International Airport at 21:30 and arrives at Da Nang Da Nang International Airport at 22:50.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 315 Km. So the average speed is roughly 236 Km.
The best month to arrive at Hanoi is February and the most expensive month to fly is July. (Average prices, based on 4410 datapoints.)
The best day to arrive at Hanoi is Tuesday and it would be best to avoid Thursday, as prices are on average 84.05% higher than on Tuesday. (Average prices, based on 1031555 datapoints.)
We have a lot more statistics for flights VJ 531 and between Hanoi and Da Nang.