An EgyptAir plane is parked next to other planes on the runway of the Cairo International Airport, pictured through the window of an Etihad Airways plane in Egypt December 16, 2017. Picture taken December 16, 2017. REUTERS/Amr Abdallah Dalsh
An EgyptAir plane is parked next to other planes on the runway of the Cairo International Airport. Amr Abdallah Dalsh?Reuters

Shifting skies over the Middle East as flight paths evolve