Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 14:20 and arrives at Patna Lok Nayak Jayaprakash Airport at 15:55.
The flighttime is about 1h 35m. The distance travelled ("as the bird flies"): 888 Km. So the average speed is roughly 561 Km.
The best day to arrive at Delhi is Friday and it would be best to avoid Monday, as prices are on average 591.24% higher than on Friday. (Average prices, based on 329742 datapoints.)
We have a lot more statistics for flights SG 9379 and between Delhi and Patna.