Flight King Fahd International Airport departs from Ad Dammam King Fahd International Airport at 09:45 and arrives at Jeddah King Abdulaziz International Airport at 11:55.
The flighttime is about 2h 10m. The distance travelled ("as the bird flies"): 1242 Km. So the average speed is roughly 573 Km.
The best day to arrive at Ad Dammam is Monday and it would be best to avoid Thursday, as prices are on average 133.93% higher than on Monday. (Average prices, based on 200150 datapoints.)
We have a lot more statistics for flights XY 403 and between Ad Dammam and Jeddah.