Flight Shah Amanat International Airport departs from Chittagong Shah Amanat International Airport at 18:50 and arrives at Dubai International Airport at 22:15.
The flighttime is about 5h 25m. The distance travelled ("as the bird flies"): 4052 Km. So the average speed is roughly 748 Km.
There is an 2 hour time difference between Chittagong and Dubai