Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 14:00 and arrives at Hanoi Noi Bai International Airport at 15:50.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 593 Km. So the average speed is roughly 323 Km.
The best day to arrive at Bangkok is Thursday and it would be best to avoid Wednesday, as prices are on average 121.3% higher than on Thursday. (Average prices, based on 916356 datapoints.)
We have a lot more statistics for flights VJ 902 and between Bangkok and Hanoi.
THB
