Flight Noi Bai International Airport departs from Hanoi Noi Bai International Airport at 18:15 and arrives at Da Nang Da Nang International Airport at 19:35.
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.)
We have a lot more statistics for flights QH 125 and between Hanoi and Da Nang.