Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 15:30 and arrives at Mumbai Chhatrapati Shivaji International Airport at 17:35.
The flighttime is about 2h 05m. The distance travelled ("as the bird flies"): 544 Km. So the average speed is roughly 261 Km.
The best day to arrive at Delhi is Wednesday and it would be best to avoid Thursday, as prices are on average 53.6% higher than on Wednesday. (Average prices, based on 4676673 datapoints.)
We have a lot more statistics for flights UK 933 and between Delhi and Mumbai.