Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 23:00 and arrives at Ahmedabad Sardar Vallabhbhai Patel International Airport at 00:25.
The flighttime is about 1h 25m. The distance travelled ("as the bird flies"): 522 Km. So the average speed is roughly 368 Km.
The best day to arrive at Delhi is Saturday and it would be best to avoid Monday, as prices are on average 117.13% higher than on Saturday. (Average prices, based on 798512 datapoints.)
We have a lot more statistics for flights 6E 2013 and between Delhi and Ahmedabad.