Flight King Khaled International Airport departs from Riyadh King Khaled International Airport at 09:35 and arrives at Jeddah King Abdulaziz International Airport at 11:35.
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 Thursday and it would be best to avoid Friday, as prices are on average 299.64% higher than on Thursday. (Average prices, based on 1996208 datapoints.)
We have a lot more statistics for flights XY 17 and between Riyadh and Jeddah.