Flight Chennai International Airport departs from Chennai Chennai International Airport at 21:00 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 23:20.
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 Tuesday and it would be best to avoid Friday, as prices are on average 58.98% higher than on Tuesday. (Average prices, based on 136059 datapoints.)
We have a lot more statistics for flights 6E 923 and between Chennai and Kolkata.