Originally Posted by ty97

Answering (partly) my own question. I was hoping to find a list US served airports with no AA service (and vice versa). Having been unsuccessful thus far in my searches, I did find an interactive map on the merger site that indicates US / AA /shared airports.

http://newamericanarriving.com/customers/more-flights/

As expected, AA will add some small and medium sized airports in the Northeast and Southeast (blue dots - US only airports). I was surprised how weak US service is in a broad swath of the middle of the country though. (red dots - AA only airports)