Flight International Airport departs from Doha International Airport at 19:55 and arrives at Amritsar Sri Guru Ram Dass Jee International Airport at 02:05.
The flighttime is about 3h 40m. The distance travelled ("as the bird flies"): 2600 Km. So the average speed is roughly 709 Km.
There is an 2.5 hour time difference between Doha and Amritsar