Flight Noi Bai International Airport departs from Hanoi Noi Bai International Airport at 10:35 and arrives at Bangkok Suvarnabhumi Airport at 12:25.
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 Hanoi is Wednesday and it would be best to avoid Friday, as prices are on average 111.7% higher than on Wednesday. (Average prices, based on 2277132 datapoints.)
We have a lot more statistics for flights TG 561 and between Hanoi and Bangkok.
