Flight Chhatrapati Shivaji International Airport departs from Mumbai Chhatrapati Shivaji International Airport at 10:50 and arrives at Delhi Indira Gandhi International Airport at 13:10.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 544 Km. So the average speed is roughly 233 Km.
The best month to arrive at Mumbai is September and the most expensive month to fly is May. (Average prices, based on 2305 datapoints.)
We have a lot more statistics for flights 6E 2221 and between Mumbai and Delhi.