Originally Posted by
BearX220
It is a bit of a minefield when booking AA as, when you are on AA.com, you have to watch out for, and avoid, not only O class but connecting cities PHX, PHL, CLT which indicate ineligible US metal.
Also routes today that are AA operated could become US operated at any time.
http://www.flyertalk.com/forum/ameri...-operated.html