Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 14:40 and arrives at Ubon Ratchathani Ubon Ratchathani Airport at 15:50.
The flighttime is about 1h 10m. The distance travelled ("as the bird flies"): 475 Km. So the average speed is roughly 407 Km.
The best day to arrive at Bangkok is Sunday and it would be best to avoid Monday, as prices are on average 106.57% higher than on Sunday. (Average prices, based on 372253 datapoints.)
We have a lot more statistics for flights SL 628 and between Bangkok and Ubon Ratchathani.