Flight International Airport departs from Muscat International Airport at 02:05 and arrives at Ad Dammam King Fahd International Airport at 02:55.
The flighttime is about 1h 50m. The distance travelled ("as the bird flies"): 962 Km. So the average speed is roughly 525 Km.
There is an 1 hour time difference between Muscat and Ad Dammam