Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 22:00 and arrives at Mumbai Chhatrapati Shivaji International Airport at 00:15.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 544 Km. So the average speed is roughly 242 Km.
The best month to arrive at Delhi is August and the most expensive month to fly is June. (Average prices, based on 1699 datapoints.)
We have a lot more statistics for flights AI 2999 and between Delhi and Mumbai.