Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 19:00 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 21:15.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 1262 Km. So the average speed is roughly 561 Km.
The best day to arrive at Delhi is Saturday and it would be best to avoid Sunday, as prices are on average 110.98% higher than on Saturday. (Average prices, based on 2502200 datapoints.)
We have a lot more statistics for flights SG 251 and between Delhi and Kolkata.
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