Accessing an American Airlines Flagship Lounge in 2026 is more exclusive than a standard Admirals Club. You can enter if you are flying in Flagship Business or Flagship First on a qualifying international or transcontinental flight. Additionally, AAdvantage members with Platinum, Platinum Pro, or Executive Platinum status can enter when traveling on a qualifying international flight, regardless of their cabin. Interestingly, elite members of partner airlines (Oneworld Emerald and Sapphire) can access these lounges even on domestic itineraries, provided they aren't AAdvantage members. If you don't have the status or the ticket, American sometimes offers single-visit passes for $150 (or 15,000 miles) at select hubs like DFW, LAX, or MIA, provided the lounge is not at capacity. This provides a "premium" experience with chef-inspired dining and a full-service bar that far exceeds the standard club offerings.