Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 14:20 and arrives at Mumbai Chhatrapati Shivaji International Airport at 16:25.
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 Thursday and it would be best to avoid Friday, as prices are on average 50.9% higher than on Thursday. (Average prices, based on 4675261 datapoints.)
We have a lot more statistics for flights UK 951 and between Delhi and Mumbai.