Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 16:05 and arrives at Patna Lok Nayak Jayaprakash Airport at 17:45.
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 Monday and it would be best to avoid Sunday, as prices are on average 74.81% higher than on Monday. (Average prices, based on 333767 datapoints.)
We have a lot more statistics for flights 6E 5641 and between Delhi and Patna.