Originally Posted by
CDKing
US is currently being run as a wholly-owned subsidiary of AMR. Similar examples in the AS program with be Cathay + Dragon Air & Qantas + Jetstar. Cathay and Qantas earn miles but the subsidiary do not
Myself and my SO both got credit for KA (DragonAir) flights earlier this year. I credited to AA and he to US. Even got class of service bonus, segment credit, etc as spelled out on the AA website. Don't know about jet star.