Flight Shahjalal International Airport departs from Dhaka Shahjalal International Airport at 07:30 and arrives at Chittagong Shah Amanat International Airport at 08:25.
The flighttime is about 0h 55m. The distance travelled ("as the bird flies"): 157 Km. So the average speed is roughly 171 Km.
The best day to arrive at Dhaka is Wednesday and it would be best to avoid Thursday, as prices are on average 157.25% higher than on Wednesday. (Average prices, based on 84004 datapoints.)
We have a lot more statistics for flights BS 101 and between Dhaka and Chittagong.