Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 05:00 and arrives at Mumbai Chhatrapati Shivaji International Airport at 07:20.
The flighttime is about 2h 20m. The distance travelled ("as the bird flies"): 544 Km. So the average speed is roughly 233 Km.
The best day to arrive at Delhi is Wednesday and it would be best to avoid Saturday, as prices are on average 123.53% higher than on Wednesday. (Average prices, based on 5996906 datapoints.)
We have a lot more statistics for flights 6E 449 and between Delhi and Mumbai.