Flight King Abdulaziz International Airport departs from Jeddah King Abdulaziz International Airport at 21:10 and arrives at Islamabad Benazir Bhutto International Airport at 03:50.
The flighttime is about 4h 40m. The distance travelled ("as the bird flies"): 3829 Km. So the average speed is roughly 820 Km.
There is an 2 hour time difference between Jeddah and Islamabad