Flight Netaji Subhas Chandra Bose International Airport departs from Kolkata Netaji Subhas Chandra Bose International Airport at 15:45 and arrives at Delhi Indira Gandhi International Airport at 18:20.
The flighttime is about 2h 35m. The distance travelled ("as the bird flies"): 1262 Km. So the average speed is roughly 489 Km.
The best day to arrive at Kolkata is Wednesday and it would be best to avoid Sunday, as prices are on average 61.84% higher than on Wednesday. (Average prices, based on 1621477 datapoints.)
We have a lot more statistics for flights AI 768 and between Kolkata and Delhi.
