Flight International Airport departs from Dubai International Airport at 07:30 and arrives at Lucknow Chaudhary Charan Singh Airport at 13:05.
The flighttime is about 4h 05m. The distance travelled ("as the bird flies"): 2838 Km. So the average speed is roughly 695 Km.
There is an 1.5 hour time difference between Dubai and Lucknow