Flight King Fahd International Airport departs from Ad Dammam King Fahd International Airport at 00:05 and arrives at Lucknow Chaudhary Charan Singh Airport at 06:50.
The flighttime is about 4h 15m. The distance travelled ("as the bird flies"): 3456 Km. So the average speed is roughly 813 Km.
There is an 2.5 hour time difference between Ad Dammam and Lucknow