Flight King Abdulaziz International Airport departs from Jeddah King Abdulaziz International Airport at 21:30 and arrives at Riyadh King Khaled International Airport at 23:15.
The flighttime is about 1h 45m. The distance travelled ("as the bird flies"): 880 Km. So the average speed is roughly 503 Km.
The best month to arrive at Jeddah is July and the most expensive month to fly is August. (Average prices, based on 1217 datapoints.)
We have a lot more statistics for flights SV 1088 and between Jeddah and Riyadh.
