Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 12:00 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 14:10.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 1262 Km. So the average speed is roughly 582 Km.
The best day to arrive at Delhi is Monday and it would be best to avoid Friday, as prices are on average 76.65% higher than on Monday. (Average prices, based on 2480220 datapoints.)
We have a lot more statistics for flights 6E 6615 and between Delhi and Kolkata.
THB
