Flight Chhatrapati Shivaji International Airport departs from Mumbai Chhatrapati Shivaji International Airport at 01:10 and arrives at Delhi Indira Gandhi International Airport at 03:20.
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 Wednesday and it would be best to avoid Friday, as prices are on average 227.45% higher than on Wednesday. (Average prices, based on 7882950 datapoints.)
We have a lot more statistics for flights QF 5263 and between Mumbai and Delhi.