Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 11:10 and arrives at Srinagar Srinagar International Airport at 12:25.
The flighttime is about 1h 15m. The distance travelled ("as the bird flies"): 298 Km. So the average speed is roughly 238 Km.
The best day to arrive at Delhi is Tuesday and it would be best to avoid Saturday, as prices are on average 38.03% higher than on Tuesday. (Average prices, based on 889676 datapoints.)
We have a lot more statistics for flights I5 315 and between Delhi and Srinagar.