Flight Chennai International Airport departs from Chennai Chennai International Airport at 10:15 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 12:55.The flight has a short stop at Hyderabad.
The flighttime is about 2h 40m. The distance travelled ("as the bird flies"): 923 Km. So the average speed is roughly 346 Km.
The best day to arrive at Chennai is Saturday and it would be best to avoid Sunday, as prices are on average 223.5% higher than on Saturday. (Average prices, based on 137150 datapoints.)
We have a lot more statistics for flights I5 517 and between Chennai and Kolkata.