Flight King Khaled International Airport departs from Riyadh King Khaled International Airport at 08:05 and arrives at Lucknow Chaudhary Charan Singh Airport at 15:30.
The flighttime is about 4h 55m. The distance travelled ("as the bird flies"): 3802 Km. So the average speed is roughly 773 Km.
There is an 2.5 hour time difference between Riyadh and Lucknow