Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 14:10 and arrives at Mumbai Chhatrapati Shivaji International Airport at 16:20.
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 Delhi is Friday and it would be best to avoid Wednesday, as prices are on average 291.72% higher than on Friday. (Average prices, based on 5834479 datapoints.)
We have a lot more statistics for flights AI 863 and between Delhi and Mumbai.