Flight Shahjalal International Airport departs from Dhaka Shahjalal International Airport at 17:10 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 17:45.
The flighttime is about 1h 05m. The distance travelled ("as the bird flies"): 217 Km. So the average speed is roughly 200 Km.
There is an 0.5 hour time difference between Dhaka and Kolkata