Flight International Airport departs from Muscat International Airport at 05:30 and arrives at Chittagong Shah Amanat International Airport at 12:00.
The flighttime is about 4h 30m. The distance travelled ("as the bird flies"): 3728 Km. So the average speed is roughly 828 Km.
There is an 2 hour time difference between Muscat and Chittagong