American

American rules

• Small instruments may be carried on, first come, first served, if they fit the overhead bin or under the seat.
• If it will not fit, you can buy an adjacent seat at the adult fare. Not an exit row; the instrument must be 165 lb (75 kg) or less and fit the seat.
• Checked instruments: up to 150 linear inches and 165 lb. Overweight fees start above 50 lb.
• American pays for damage only if the instrument was in a hard-sided case and the outside of the case is visibly damaged.

Source: aa.com › Baggage › Special items. Checked 10 Nov 2026.