In 2026, American Airlines does not include a free checked bag for passengers traveling in "Basic Economy" or "Main Cabin" on most domestic U.S., Caribbean, and Central American routes. For these travelers, a standard checked bag (up to 50 lbs) typically costs $35 to $40 for the first bag. However, there are several ways to bypass this fee. A free checked bag is standard for passengers in Premium Economy, Business, or First Class. Additionally, "AAdvantage" elite status members (Gold and higher) and travelers who hold a qualifying AAdvantage co-branded credit card (like the Citi / AAdvantage Platinum Select) receive at least one free checked bag on domestic itineraries. For international "long-haul" flights to Europe, Asia, or Australia, one free checked bag is usually included even for standard Main Cabin tickets. It is critical to note that "Basic Economy" on transatlantic routes often still incurs a fee for the first bag, so travelers should carefully review their fare "Contract of Carriage" during the 2026 booking process to avoid surprise charges at the airport kiosk.