Flight Netaji Subhas Chandra Bose International Airport departs from Kolkata Netaji Subhas Chandra Bose International Airport at 07:10 and arrives at Delhi Indira Gandhi International Airport at 09:35.
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 Thursday and it would be best to avoid Saturday, as prices are on average 32.58% higher than on Thursday. (Average prices, based on 1237596 datapoints.)
We have a lot more statistics for flights UK 720 and between Kolkata and Delhi.