Flight Khon Kaen Airport departs from Khon Kaen Khon Kaen Airport at 12:55 and arrives at Bangkok Don Mueang International Airport at 14:00.
The flighttime is about 1h 05m. The distance travelled ("as the bird flies"): 249 Km. So the average speed is roughly 230 Km.
The best day to arrive at Khon Kaen is Friday and it would be best to avoid Saturday, as prices are on average 14.19% higher than on Friday. (Average prices, based on 678098 datapoints.)
We have a lot more statistics for flights SL 645 and between Khon Kaen and Bangkok.