Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 20:45 and arrives at Mumbai Chhatrapati Shivaji International Airport at 23:00.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 544 Km. So the average speed is roughly 242 Km.
The best day to arrive at Delhi is Thursday and it would be best to avoid Monday, as prices are on average 27.94% higher than on Thursday. (Average prices, based on 6611521 datapoints.)
We have a lot more statistics for flights VS 8733 and between Delhi and Mumbai.
