Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 07:05 and arrives at Mumbai Chhatrapati Shivaji International Airport at 09:35.
The flighttime is about 2h 30m. The distance travelled ("as the bird flies"): 544 Km. So the average speed is roughly 218 Km.
The best day to arrive at Delhi is Sunday and it would be best to avoid Wednesday, as prices are on average 61.9% higher than on Sunday. (Average prices, based on 4698614 datapoints.)
We have a lot more statistics for flights SG 8701 and between Delhi and Mumbai.