Flight Chennai International Airport departs from Chennai Chennai International Airport at 19:50 and arrives at Mumbai Chhatrapati Shivaji International Airport at 21:55.
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 Chennai is Friday and it would be best to avoid Monday, as prices are on average 119.68% higher than on Friday. (Average prices, based on 525840 datapoints.)
We have a lot more statistics for flights AI 640 and between Chennai and Mumbai.