Flight King Abdulaziz International Airport departs from Jeddah King Abdulaziz International Airport at 23:55 and arrives at Riyadh King Khaled International Airport at 01:45.
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 Jeddah is Friday and it would be best to avoid Thursday, as prices are on average 74.05% higher than on Friday. (Average prices, based on 2149519 datapoints.)
We have a lot more statistics for flights SV 1054 and between Jeddah and Riyadh.