Flight Chhatrapati Shivaji International Airport departs from Mumbai Chhatrapati Shivaji International Airport at 22:15 and arrives at Delhi Indira Gandhi International Airport at 00:25.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 544 Km. So the average speed is roughly 251 Km.
The best day to arrive at Mumbai is Thursday and it would be best to avoid Friday, as prices are on average 159.87% higher than on Thursday. (Average prices, based on 6781675 datapoints.)
We have a lot more statistics for flights 6E 651 and between Mumbai and Delhi.