Unless something has changes recently, priceline tickets using the opaque tool do not earn Aadvantage miles.

Edited to add: From Priceline.com

"Name Your Own Price ® tickets are non-transferable, nonrefundable and cannot be cancelled, refunded or exchanged. Once issued, airlines do not allow passengers to assign tickets to other people or change names on tickets. Name Your Own Price ® tickets issued through Airfares.com are not eligible for frequent flyer miles."

http://www.airfares.com/customerserv...28774&plf=airf