Flight Bandaranaike International Airport departs from Colombo Bandaranaike International Airport at 07:45 and arrives at Dhaka Shahjalal International Airport at 11:30.
The flighttime is about 3h 15m. The distance travelled ("as the bird flies"): 1168 Km. So the average speed is roughly 359 Km.
There is an 0.5 hour time difference between Colombo and Dhaka
THB
