Flight Netaji Subhas Chandra Bose International Airport departs from Kolkata Netaji Subhas Chandra Bose International Airport at 09:55 and arrives at Delhi Indira Gandhi International Airport at 12:30.
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 Saturday, as prices are on average 49.3% higher than on Wednesday. (Average prices, based on 1560869 datapoints.)
We have a lot more statistics for flights AI 769 and between Kolkata and Delhi.
