Flight Shahjalal International Airport departs from Dhaka Shahjalal International Airport at 15:00 and arrives at Kunming Wujiaba International Airport at 19:20.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 1372 Km. So the average speed is roughly 588 Km.
There is an 2 hour time difference between Dhaka and Kunming