Originally Posted by
rbessler
AA has apparently updated the carry-on policy to explicitly state that, regardless of the dimensions, your carry-on bag has to fit inside of the sizer to be permissible.
No need to carry a tape measure anymore. If it fits in the sizer, it should be good to go and if not, it will be checked. I agree with the new condition: that a bag must fit the sizer in order to be carried on.