Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 19:40 and arrives at Mumbai Chhatrapati Shivaji International Airport at 22:05.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 544 Km. So the average speed is roughly 225 Km.
The best day to arrive at Delhi is Saturday and it would be best to avoid Tuesday, as prices are on average 422.84% higher than on Saturday. (Average prices, based on 4710430 datapoints.)
We have a lot more statistics for flights G8 446 and between Delhi and Mumbai.