To determine if you have access to the American Airlines Admirals Club, you should first check your membership status or credit card benefits. Primary cardmembers of the Citi® / AAdvantage® Executive World Elite Mastercard receive a full membership, while other travelers might gain entry through their AAdvantage status (Platinum, Platinum Pro, or Executive Platinum) when traveling on qualifying international flights operated by American or a oneworld® partner. Additionally, those flying in First or Business Class on qualifying international or transcontinental routes are generally eligible. If you don't fall into these categories, you can check the American Airlines app under your account summary to see if a digital membership card is active. For those without elite status or specific credit cards, one-day passes are often available for purchase for approximately $79 or 7,900 miles, provided the lounge is not at capacity. Military personnel in uniform traveling on a same-day flight operated by American also receive complimentary access. Always ensure you have a valid government-issued photo ID and a boarding pass for same-day travel on an eligible flight.