Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 04:00 and arrives at Mumbai Chhatrapati Shivaji International Airport at 06:20.
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 day to arrive at Delhi is Monday and it would be best to avoid Sunday, as prices are on average 56.57% higher than on Monday. (Average prices, based on 6056084 datapoints.)
We have a lot more statistics for flights 6E 708 and between Delhi and Mumbai.