Flight Khon Kaen Airport departs from Khon Kaen Khon Kaen Airport at 16:50 and arrives at Bangkok Don Mueang International Airport at 17:50.
The flighttime is about 1h 00m. The distance travelled ("as the bird flies"): 249 Km. So the average speed is roughly 249 Km.
The best day to arrive at Khon Kaen is Saturday and it would be best to avoid Sunday, as prices are on average 10.42% higher than on Saturday. (Average prices, based on 676765 datapoints.)
We have a lot more statistics for flights SL 647 and between Khon Kaen and Bangkok.