Flight Chiang Mai International Airport departs from Chiang Mai Chiang Mai International Airport at 14:55 and arrives at Shanghai Hongqiao International Airport at 20:15.
The flighttime is about 4h 20m. The distance travelled ("as the bird flies"): 2519 Km. So the average speed is roughly 581 Km.
There is an 1 hour time difference between Chiang Mai and Shanghai