Flight Chhatrapati Shivaji International Airport departs from Mumbai Chhatrapati Shivaji International Airport at 18:10 and arrives at Chennai Chennai International Airport at 20:15.
The flighttime is about 2h 05m. The distance travelled ("as the bird flies"): 827 Km. So the average speed is roughly 397 Km.
The best day to arrive at Mumbai is Saturday and it would be best to avoid Friday, as prices are on average 215% higher than on Saturday. (Average prices, based on 529618 datapoints.)
We have a lot more statistics for flights AI 573 and between Mumbai and Chennai.