Flight Netaji Subhas Chandra Bose International Airport departs from Kolkata Netaji Subhas Chandra Bose International Airport at 09:40 and arrives at Dehradun Dehradun Airport at 12:00.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 1143 Km. So the average speed is roughly 490 Km.