Flight Don Mueang International Airport departs from Bangkok Don Mueang International Airport at 18:00 and arrives at Krabi Krabi International Airport at 19:25.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 211 Km. So the average speed is roughly 149 Km.
The best day to arrive at Bangkok is Saturday and it would be best to avoid Thursday, as prices are on average 76.04% higher than on Saturday. (Average prices, based on 3254384 datapoints.)
We have a lot more statistics for flights SL 812 and between Bangkok and Krabi.
