Flight Chiang Mai International Airport departs from Chiang Mai Chiang Mai International Airport at 12:35 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 16:35.
The flighttime is about 3h 00m. The distance travelled ("as the bird flies"): 439 Km. So the average speed is roughly 146 Km.
There is an 1 hour time difference between Chiang Mai and Kuala Lumpur