Flight Shahjalal International Airport departs from Dhaka Shahjalal International Airport at 10:55 and arrives at Doha International Airport at 13:45.
The flighttime is about 5h 50m. The distance travelled ("as the bird flies"): 4318 Km. So the average speed is roughly 740 Km.
There is an 3 hour time difference between Dhaka and Doha
The best day to arrive at Dhaka is Saturday and it would be best to avoid Friday, as prices are on average 95.22% higher than on Saturday. (Average prices, based on 162899 datapoints.)
We have a lot more statistics for flights QR 641 and between Dhaka and Doha.