Originally Posted by
UA Fan
Generally DFW, MIA, JFK, and ORD are considered hubs, but it does not mean that you can go from DFW-PHX through JFK. I think RDU, LAX, and BOS are focus cities, so some routings go through them as well.
On the basis that UA can count LAX a hub, AA should be able to as well considering the similar number of services they offer out of there.