Flight King Fahd International Airport departs from Ad Dammam King Fahd International Airport at 01:00 and arrives at Jeddah King Abdulaziz International Airport at 03:25.
The flighttime is about 2h 25m. The distance travelled ("as the bird flies"): 1242 Km. So the average speed is roughly 514 Km.
The best day to arrive at Ad Dammam is Wednesday and it would be best to avoid Saturday, as prices are on average 149.44% higher than on Wednesday. (Average prices, based on 380700 datapoints.)
We have a lot more statistics for flights SV 1131 and between Ad Dammam and Jeddah.