Upvote:4
It seems you flew Etihad, because MEA (Middle East Airlines) takes a more direct route:
Compare that to this:
(the above images are from the excellent http://flighaware.com)
Each airline is free to chose their own routing - almost most try to fly on established routes (since these have the most radar coverage); but as shown above each airline is free to decide the best routing for their aircraft.
Upvote:6
The Great Circle route from AUH to BEY looks like this:
Flying over Syrian territory is out of the question at the moment, so there are three alternatives: