Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 20:35 and arrives at Hat Yai Hat Yai International Airport at 22:00.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 143 Km. So the average speed is roughly 101 Km.
The best day to arrive at Bangkok is Wednesday and it would be best to avoid Friday, as prices are on average 53.77% higher than on Wednesday. (Average prices, based on 2909868 datapoints.)
We have a lot more statistics for flights DD 7116 and between Bangkok and Hat Yai.