Flight King Khaled International Airport departs from Riyadh King Khaled International Airport at 10:30 and arrives at Jeddah King Abdulaziz International Airport at 12:30.
The flighttime is about 2h 00m. The distance travelled ("as the bird flies"): 880 Km. So the average speed is roughly 440 Km.
The best day to arrive at Riyadh is Saturday and it would be best to avoid Tuesday, as prices are on average 110.41% higher than on Saturday. (Average prices, based on 2015855 datapoints.)
We have a lot more statistics for flights XY 31 and between Riyadh and Jeddah.
