Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 10:15 and arrives at Udon Thani Udon Thani International Airport at 11:20.
The flighttime is about 1h 05m. The distance travelled ("as the bird flies"): 255 Km. So the average speed is roughly 235 Km.
The best day to arrive at Bangkok is Thursday and it would be best to avoid Wednesday, as prices are on average 170.59% higher than on Thursday. (Average prices, based on 402402 datapoints.)
We have a lot more statistics for flights DD 9202 and between Bangkok and Udon Thani.