Flight Lal Bahadur Shastri Airport departs from Varanasi Lal Bahadur Shastri Airport at 22:00 and arrives at Delhi Indira Gandhi International Airport at 23:30.
The flighttime is about 1h 30m. The distance travelled ("as the bird flies"): 642 Km. So the average speed is roughly 428 Km.
The best day to arrive at Varanasi is Monday and it would be best to avoid Sunday, as prices are on average 132.93% higher than on Monday. (Average prices, based on 131118 datapoints.)
We have a lot more statistics for flights 6E 2815 and between Varanasi and Delhi.