Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 14:20 and arrives at Patna Lok Nayak Jayaprakash Airport at 16:00.
The flighttime is about 1h 40m. The distance travelled ("as the bird flies"): 888 Km. So the average speed is roughly 533 Km.
The best day to arrive at Delhi is Thursday and it would be best to avoid Tuesday, as prices are on average 68.02% higher than on Thursday. (Average prices, based on 513454 datapoints.)
We have a lot more statistics for flights 6E 2425 and between Delhi and Patna.
