Flight Chhatrapati Shivaji International Airport departs from Mumbai Chhatrapati Shivaji International Airport at 17:05 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 21:10.The flight has a short stop at Patna.
The flighttime is about 4h 05m. The distance travelled ("as the bird flies"): 1733 Km. So the average speed is roughly 424 Km.
The best day to arrive at Mumbai is Monday and it would be best to avoid Thursday, as prices are on average 547.04% higher than on Monday. (Average prices, based on 633009 datapoints.)
We have a lot more statistics for flights SG 6426 and between Mumbai and Kolkata.