Flight Chiang Mai International Airport departs from Chiang Mai Chiang Mai International Airport at 15:05 and arrives at Bangkok Suvarnabhumi Airport at 16:20.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 221 Km. So the average speed is roughly 177 Km.
The best day to arrive at Chiang Mai is Friday and it would be best to avoid Monday, as prices are on average 71.62% higher than on Friday. (Average prices, based on 4010845 datapoints.)
We have a lot more statistics for flights FD 3426 and between Chiang Mai and Bangkok.