Flight Indira Gandhi International Airport departs from Delhi Indira Gandhi International Airport at 13:20 and arrives at Varanasi Lal Bahadur Shastri Airport at 14:40.
The flighttime is about 1h 20m. The distance travelled ("as the bird flies"): 642 Km. So the average speed is roughly 482 Km.
The best day to arrive at Delhi is Tuesday and it would be best to avoid Friday, as prices are on average 108.11% higher than on Tuesday. (Average prices, based on 162669 datapoints.)
We have a lot more statistics for flights UK 673 and between Delhi and Varanasi.