On American Airlines in 2026, Group 1 is the first general boarding group to enter the aircraft after "Pre-boarding" for special assistance. This group is a high-value tier reserved primarily for First Class passengers (on domestic/three-cabin flights) and Business Class passengers (on two-cabin international flights). It also includes ConciergeKey members and active-duty U.S. military personnel with valid ID. For 2026 travelers, being in Group 1 is the premier way to ensure you find overhead bin space for your carry-on luggage without the stress of later groups. If you are in Group 1, you can use the dedicated "Priority" boarding lane. Note that AAdvantage Executive Platinum members usually fall into Group 2, making Group 1 an exceptionally exclusive "front-of-the-line" benefit for premium cabin travelers and top-tier VIPs.