Flight Hat Yai International Airport departs from Hat Yai Hat Yai International Airport at 20:40 and arrives at Bangkok Suvarnabhumi Airport at 22:15.
The flighttime is about 1h 35m. The distance travelled ("as the bird flies"): 143 Km. So the average speed is roughly 90 Km.
The best day to arrive at Hat Yai is Tuesday and it would be best to avoid Wednesday, as prices are on average 499.95% higher than on Tuesday. (Average prices, based on 287926 datapoints.)
We have a lot more statistics for flights TG 268 and between Hat Yai and Bangkok.