Flight International Airport departs from Muscat International Airport at 21:00 and arrives at Kuala Lumpur Kuala Lumpur International Airport at 07:55.
The flighttime is about 6h 55m. The distance travelled ("as the bird flies"): 4763 Km. So the average speed is roughly 689 Km.
There is an 4 hour time difference between Muscat and Kuala Lumpur