Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 07:00 and arrives at Chiang Mai Chiang Mai International Airport at 08:20.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 221 Km. So the average speed is roughly 166 Km.
The best day to arrive at Bangkok is Monday and it would be best to avoid Friday, as prices are on average 87.66% higher than on Monday. (Average prices, based on 8319791 datapoints.)
We have a lot more statistics for flights FD 4100 and between Bangkok and Chiang Mai.
USD