” A bonus question is, why are we flying Americans over Iran?”
Before ISIS took over a lot of Iraq, the mid east air space over Iraq looked like I5 during a work week.
After ISIS, most of the air traffic is now flying over Iraq, including non Arabic planes.
Check out the radar of planes flying over Iran, now. Drag your mouse pointer over the planes to see what airline and plane is shown.
http://www.flightradar24.com/33.33,44.28/6