Flight Udon Thani International Airport departs from Udon Thani Udon Thani International Airport at 18:00 and arrives at Bangkok Don Mueang International Airport at 19:00.
The flighttime is about 1h 00m. The distance travelled ("as the bird flies"): 255 Km. So the average speed is roughly 255 Km.
The best day to arrive at Udon Thani is Saturday and it would be best to avoid Sunday, as prices are on average 130.65% higher than on Saturday. (Average prices, based on 232430 datapoints.)
We have a lot more statistics for flights DD 309 and between Udon Thani and Bangkok.