Flight Rajiv Gandhi International Airport departs from Hyderabad Rajiv Gandhi International Airport at 21:00 and arrives at Riyadh King Khaled International Airport at 23:55.
The flighttime is about 5h 25m. The distance travelled ("as the bird flies"): 3543 Km. So the average speed is roughly 654 Km.
There is an 2.5 hour time difference between Hyderabad and Riyadh