Flight Shahjalal International Airport departs from Dhaka Shahjalal International Airport at 18:00 and arrives at Doha International Airport at 20:40.
The flighttime is about 5h 40m. The distance travelled ("as the bird flies"): 4318 Km. So the average speed is roughly 762 Km.
There is an 3 hour time difference between Dhaka and Doha
The best day to arrive at Dhaka is Thursday and it would be best to avoid Wednesday, as prices are on average 141.84% higher than on Thursday. (Average prices, based on 160723 datapoints.)
We have a lot more statistics for flights BG 25 and between Dhaka and Doha.