Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 14:20 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 16:20.
The flighttime is about 2h 00m. The distance travelled ("as the bird flies"): 1262 Km. So the average speed is roughly 631 Km.
The best day to arrive at Delhi is Monday and it would be best to avoid Sunday, as prices are on average 85.22% higher than on Monday. (Average prices, based on 2476021 datapoints.)
We have a lot more statistics for flights 6E 6182 and between Delhi and Kolkata.