Flight Shahjalal International Airport departs from Dhaka Shahjalal International Airport at 11:30 and arrives at Bangkok Don Mueang International Airport at 15:00.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 1135 Km. So the average speed is roughly 454 Km.
There is an 1 hour time difference between Dhaka and Bangkok
The best day to arrive at Dhaka is Monday and it would be best to avoid Friday, as prices are on average 127.2% higher than on Monday. (Average prices, based on 46640 datapoints.)
We have a lot more statistics for flights BG 388 and between Dhaka and Bangkok.