Flight Lok Nayak Jayaprakash Airport departs from Patna Lok Nayak Jayaprakash Airport at 09:10 and arrives at Kolkata Netaji Subhas Chandra Bose International Airport at 10:15.
The flighttime is about 1h 05m. The distance travelled ("as the bird flies"): 374 Km. So the average speed is roughly 345 Km.