I am the original poster.
American Airlines says I can:
Earn and redeem AAdvantageŽ miles for travel on Hawaiian Airlines within Hawaii and between Hawaii and:
Asia
South Pacific
[E]arn AAdvantageŽ miles when you fly on Hawaiian Airlines marketed and operated flights as well as Hawaiian Airlines codeshare flights operated by American Airlines
Link to American Airlines site
So how do I combine my American and Hawaiian miles?