Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 21:30 and arrives at Mumbai Chhatrapati Shivaji International Airport at 23:40.
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 Thursday and it would be best to avoid Friday, as prices are on average 79.42% higher than on Thursday. (Average prices, based on 4682924 datapoints.)
We have a lot more statistics for flights UK 981 and between Delhi and Mumbai.