Originally Posted by
CO FF
Actually, the listed benefit of PLT is business checkin line when there is one, and F otherwise.
No, it's not. From
http://www.aa.com/content/images/AAd...ber_Guide.pdf:
Your Aadvantage Platinum status (oneworld Sapphire) helps you bypass lines at the airport, since you may check in at any First Class check-in position, regardless of the class of service in which you are traveling on American Airlines.