Flight Lal Bahadur Shastri Airport departs from Varanasi Lal Bahadur Shastri Airport at 16:50 and arrives at Delhi Indira Gandhi International Airport at 18:40.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 642 Km. So the average speed is roughly 350 Km.
The best day to arrive at Varanasi is Wednesday and it would be best to avoid Saturday, as prices are on average 58.89% higher than on Wednesday. (Average prices, based on 166629 datapoints.)
We have a lot more statistics for flights SG 946 and between Varanasi and Delhi.