On American Airlines flights in 2026, the maximum number of checked bags you can have depends on your destination. For Domestic, Transatlantic, and Transpacific routes, you can check up to 10 bags per person. However, if you are traveling to, from, or through Mexico, the Caribbean, or Central/South America, the limit is generally capped at 5 bags per person due to aircraft weight and seasonal restrictions. Regarding fees, for standard domestic Economy tickets issued in 2026, the first bag costs $40 (or $35 if you pay online), the second is $50 (or $45 online), and the third jumps to $150. You can often bypass these fees if you have AAdvantage elite status or hold a qualifying American Airlines credit card. Each bag must stay within the standard weight limit of 50 lbs (23 kg) and a total size dimension of 62 inches. If you are flying in First or Business Class, you are typically granted at least two free bags at a higher weight limit of 70 lbs (32 kg) each, providing significant value for those traveling with heavy gear.