Flight Chhatrapati Shivaji International Airport departs from Mumbai Chhatrapati Shivaji International Airport at 17:30 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 20:15.
The flighttime is about 2h 45m. The distance travelled ("as the bird flies"): 1733 Km. So the average speed is roughly 630 Km.
The best day to arrive at Mumbai is Sunday and it would be best to avoid Friday, as prices are on average 54.45% higher than on Sunday. (Average prices, based on 633877 datapoints.)
We have a lot more statistics for flights 6E 5086 and between Mumbai and Kolkata.