Flight King Fahd International Airport departs from Ad Dammam King Fahd International Airport at 20:00 and arrives at Jeddah King Abdulaziz International Airport at 22:15.
The flighttime is about 2h 15m. The distance travelled ("as the bird flies"): 1242 Km. So the average speed is roughly 552 Km.
The best day to arrive at Ad Dammam is Wednesday and it would be best to avoid Thursday, as prices are on average 201.9% higher than on Wednesday. (Average prices, based on 208056 datapoints.)
We have a lot more statistics for flights SV 1125 and between Ad Dammam and Jeddah.