Flight Netaji Subhas Chandra Bose International Airport departs from Kolkata Netaji Subhas Chandra Bose International Airport at 19:15 and arrives at Delhi Indira Gandhi International Airport at 21:40.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 1262 Km. So the average speed is roughly 522 Km.
The best day to arrive at Kolkata is Monday and it would be best to avoid Friday, as prices are on average 86.4% higher than on Monday. (Average prices, based on 1819492 datapoints.)
We have a lot more statistics for flights 6E 493 and between Kolkata and Delhi.
