Overview

• The removal of metal sizers from gate areas begins nationwide on Oct. 6, 2025.
• An internal memo instructs staff to use judgment at the gate and to err on the side of the customer if a bag’s size is unclear.
• Carry-on limits remain unchanged at one bag up to 22 by 14 by 9 inches plus a personal item that fits under the seat.
• Bag sizers stay available in airport check-in lobbies so travelers can self-check before security, and oversized items must still be checked.
• American frames the step as part of 2025 boarding updates such as revised groups and a longer boarding window, mirroring a similar United Airlines change in 2020.