Originally Posted by
elitetraveler
AA's hubs are JFK, LAX, ORD, MIA and DFW
AA doesn't have hubs in Europe
LHR is a BA hub, MAD is an IB hub, HEL is an AY hub and BUD is an MA hub.
That's it.
Calling LAX and JFK hubs is pretty generous. They're "cornerposts" like DFW/ORD/MIA, but really just focus cities.