dont mean to sound like im sticking up for AA but its all there on the website. when will people start taking responsibility for themselves. and seriously? 35 minutes to check in and get through security...im sorry but its almost like you were asking for it, i would NEVER EVER cut it so close especially this time of year...consider this a lesson learned
Minimum Check-In Times
Customers must comply with minimum check-in requirements to retain their seats on the flight on which they are confirmed.
Pre-reserved seats are subject to cancellation unless you have checked in (obtained a boarding pass) at least 30 minutes before scheduled departure. You must be present at the departure gate and ready to board at least 15 minutes prior to scheduled departure time to retain your reservation and a seat. American does not guarantee to provide any particular seat on the aircraft.
and above that on the website is the requirements..SFO cut off is 40 minutes.
PASSENGER CHECK-IN REQUIREMENTS
Passengers checking baggage should also refer to
Baggage Acceptance Cutoff Times above.