Flight Netaji Subhas Chandra Bose International Airport departs from Kolkata Netaji Subhas Chandra Bose International Airport at 05:30 and arrives at Delhi Indira Gandhi International Airport at 07:50.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 1262 Km. So the average speed is roughly 541 Km.
The best day to arrive at Kolkata is Thursday and it would be best to avoid Saturday, as prices are on average 98.88% higher than on Thursday. (Average prices, based on 1216152 datapoints.)
We have a lot more statistics for flights 6E 474 and between Kolkata and Delhi.