Flight King Abdulaziz International Airport departs from Jeddah King Abdulaziz International Airport at 02:30 and arrives at Riyadh King Khaled International Airport at 04:05.
The flighttime is about 1h 35m. The distance travelled ("as the bird flies"): 880 Km. So the average speed is roughly 556 Km.
The best day to arrive at Jeddah is Monday and it would be best to avoid Friday, as prices are on average 198.22% higher than on Monday. (Average prices, based on 1999309 datapoints.)
We have a lot more statistics for flights XY 56 and between Jeddah and Riyadh.