Flight International Airport departs from Abu Dhabi International Airport at 10:15 and arrives at Beirut Rafic Hariri International Airport at 13:25.
The flighttime is about 4h 10m. The distance travelled ("as the bird flies"): 2250 Km. So the average speed is roughly 540 Km.
There is an 1 hour time difference between Abu Dhabi and Beirut