Flight Netaji Subhas Chandra Bose International Airport departs from Kolkata Netaji Subhas Chandra Bose International Airport at 03:20 and arrives at Doha International Airport at 06:35.
The flighttime is about 5h 45m. The distance travelled ("as the bird flies"): 4101 Km. So the average speed is roughly 713 Km.
There is an 2.5 hour time difference between Kolkata and Doha