Flight Shahjalal International Airport departs from Dhaka Shahjalal International Airport at 17:15 and arrives at Chennai Chennai International Airport at 19:35.
The flighttime is about 2h 50m. The distance travelled ("as the bird flies"): 1136 Km. So the average speed is roughly 401 Km.
There is an 0.5 hour time difference between Dhaka and Chennai
