Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 14:35 and arrives at Krabi Krabi International Airport at 16:00.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 223 Km. So the average speed is roughly 157 Km.
The best day to arrive at Bangkok is Monday and it would be best to avoid Sunday, as prices are on average 85.11% higher than on Monday. (Average prices, based on 1046412 datapoints.)
We have a lot more statistics for flights FD 4402 and between Bangkok and Krabi.