Flight Lal Bahadur Shastri Airport departs from Varanasi Lal Bahadur Shastri Airport at 21:30 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 22:40.
The flighttime is about 1h 10m. The distance travelled ("as the bird flies"): 622 Km. So the average speed is roughly 533 Km.