Flight Noi Bai International Airport departs from Hanoi Noi Bai International Airport at 10:05 and arrives at Da Nang Da Nang International Airport at 11:30.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 315 Km. So the average speed is roughly 222 Km.
The best day to arrive at Hanoi is Tuesday and it would be best to avoid Wednesday, as prices are on average 166.77% higher than on Tuesday. (Average prices, based on 1098911 datapoints.)
We have a lot more statistics for flights QH 103 and between Hanoi and Da Nang.