Flight King Khaled International Airport departs from Riyadh King Khaled International Airport at 12:00 and arrives at Jeddah King Abdulaziz International Airport at 13:50.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 880 Km. So the average speed is roughly 480 Km.
The best day to arrive at Riyadh is Friday and it would be best to avoid Tuesday, as prices are on average 44.81% higher than on Friday. (Average prices, based on 1249776 datapoints.)
We have a lot more statistics for flights SV 1031 and between Riyadh and Jeddah.