Flight Chhatrapati Shivaji International Airport departs from Mumbai Chhatrapati Shivaji International Airport at 02:55 and arrives at Chennai Chennai International Airport at 04:55.
The flighttime is about 2h 00m. The distance travelled ("as the bird flies"): 827 Km. So the average speed is roughly 414 Km.
The best day to arrive at Mumbai is Saturday and it would be best to avoid Wednesday, as prices are on average 297.72% higher than on Saturday. (Average prices, based on 673630 datapoints.)
We have a lot more statistics for flights 6E 136 and between Mumbai and Chennai.