Flight Chennai International Airport departs from Chennai Chennai International Airport at 20:50 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 14:10.The flight has a short stop at Mumbai.
The flighttime is about 17h 20m. The distance travelled ("as the bird flies"): 923 Km. So the average speed is roughly 53 Km.
The best day to arrive at Chennai is Thursday and it would be best to avoid Friday, as prices are on average 207.86% higher than on Thursday. (Average prices, based on 135750 datapoints.)
We have a lot more statistics for flights SG 252 and between Chennai and Kolkata.