Flight Hong Kong International Airport departs from Hong Kong Hong Kong International Airport at 19:05 and arrives at Bangkok Suvarnabhumi Airport at 20:45.
The flighttime is about 2h 40m. The distance travelled ("as the bird flies"): 1487 Km. So the average speed is roughly 558 Km.
There is an 1 hour time difference between Hong Kong and Bangkok
The best day to arrive at Hong Kong is Monday and it would be best to avoid Wednesday, as prices are on average 105.4% higher than on Monday. (Average prices, based on 8337006 datapoints.)
We have a lot more statistics for flights TG 639 and between Hong Kong and Bangkok.
