Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 09:55 and arrives at Chiang Mai Chiang Mai International Airport at 11:10.
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 Bangkok is Friday and it would be best to avoid Thursday, as prices are on average 79.35% higher than on Friday. (Average prices, based on 8499733 datapoints.)
We have a lot more statistics for flights VZ 4726 and between Bangkok and Chiang Mai.