Flight Netaji Subhas Chandra Bose International Airport departs from Kolkata Netaji Subhas Chandra Bose International Airport at 20:00 and arrives at Delhi Indira Gandhi International Airport at 22:35.
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 Thursday and it would be best to avoid Monday, as prices are on average 53.72% higher than on Thursday. (Average prices, based on 1220152 datapoints.)
We have a lot more statistics for flights AI 770 and between Kolkata and Delhi.