Flight Chennai International Airport departs from Chennai Chennai International Airport at 08:30 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 10:50.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 923 Km. So the average speed is roughly 396 Km.
The best day to arrive at Chennai is Monday and it would be best to avoid Friday, as prices are on average 187.14% higher than on Monday. (Average prices, based on 136102 datapoints.)
We have a lot more statistics for flights 6E 321 and between Chennai and Kolkata.
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