Flight King Khaled International Airport departs from Riyadh King Khaled International Airport at 16:45 and arrives at Jeddah King Abdulaziz International Airport at 18:40.
The flighttime is about 1h 55m. The distance travelled ("as the bird flies"): 880 Km. So the average speed is roughly 459 Km.
The best day to arrive at Riyadh is Saturday and it would be best to avoid Thursday, as prices are on average 79.83% higher than on Saturday. (Average prices, based on 2954796 datapoints.)
We have a lot more statistics for flights SV 1079 and between Riyadh and Jeddah.
