brucemcal-

Was the AA flight in place of your UA flight? I've had them place me on DL before when they cancelled a UA flight and got the UA miles without any problem, and got UA miles for a Qantas flight last week HKG-SIN when UA cancelled the route. It's best to call and request the credit. I initially did HKG-SIN by e-mail and was turned down, but when I called and explained why I was on that flight I got the UA miles. Doesn't hurt to call and sell your case.