American Airlines AA

Last verified: 2026-05-26

Pet carrier in-cabin rules for American Airlines. Check the source and last-verified date before relying on these values for your trip.

BusinessUnder-seat space varies by aircraft

Max carrier size: 48.3 × 33 × 22.9 cm (19 × 13 × 9 in)
Max pet + carrier weight: Not published
Soft-sided: recommended

Business cabin under-seat space varies by aircraft. American notes that some premium cabins/aircraft have no under-seat storage, so confirm aircraft-specific stowage before relying on this rule.

No official source on file Not verified

Economy

Max carrier size: 48.3 × 33 × 22.9 cm (19 × 13 × 9 in)
Max pet + carrier weight: Not published
Soft-sided: recommended

Hard kennel max 19x13x9 in; soft carrier max 18x11x11 in and preferred.

Source:American Airlines — Traveling with pets(aa.com)Airline officialFresh reviewLast verified: 2026-05-26

FirstUnder-seat space varies by aircraft

Max carrier size: 48.3 × 33 × 22.9 cm (19 × 13 × 9 in)
Max pet + carrier weight: Not published
Soft-sided: recommended

First cabin under-seat space varies by aircraft. American notes that some premium cabins/aircraft have no under-seat storage, so confirm aircraft-specific stowage before relying on this rule.

No official source on file Not verified

Premium economyUnder-seat space varies by aircraft

Max carrier size: 48.3 × 33 × 22.9 cm (19 × 13 × 9 in)
Max pet + carrier weight: Not published
Soft-sided: recommended

Premium cabin under-seat space varies by aircraft. American notes that some premium cabins/aircraft have no under-seat storage, so confirm aircraft-specific stowage before relying on this rule.

No official source on file Not verified

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