Flight Suvarnabhumi Airport departs from Bangkok Suvarnabhumi Airport at 12:10 and arrives at Chiang Mai Chiang Mai International Airport at 13:35.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 221 Km. So the average speed is roughly 156 Km.
The best day to arrive at Bangkok is Thursday and it would be best to avoid Saturday, as prices are on average 60.8% higher than on Thursday. (Average prices, based on 10571007 datapoints.)
We have a lot more statistics for flights VZ 110 and between Bangkok and Chiang Mai.