Originally Posted by Dr. HFH

Presumably you've moved to Dallas. Importantly, if you are crediting your miles to AAdvantage and flying on an AA flight number (regardless of whether or not the flight is operated by AA), you will get at least one AAdvantage mile for every mile you fly. This is not the same with the CX program, where your miles are likely to be discounted, possibly substantially, unless you fly in the Business or First Class cabins.