Southwest Airlines WN
Last verified: 2026-05-26Pet carrier in-cabin rules for Southwest Airlines. Check the source and last-verified date before relying on these values for your trip.
- Max carrier size
- 47 × 21.6 × 34.3 cm (18.5 × 8.5 × 13.5 in)
- Max pet + carrier weight
- Not published
- Soft-sided
- Either allowed
Carrier max 18.5x8.5x13.5 in; hard or soft permitted. Sources differ on the small dimension (8.5 vs 9.5 in) — we use the more conservative 8.5 in. No published weight limit. Unverified cabin-specific fallback: no separate business in-cabin carrier rule found; copied from Economy as a conservative stand-in.
- Max carrier size
- 47 × 21.6 × 34.3 cm (18.5 × 8.5 × 13.5 in)
- Max pet + carrier weight
- Not published
- Soft-sided
- Either allowed
Carrier max 18.5x8.5x13.5 in; hard or soft permitted.
- Max carrier size
- 47 × 21.6 × 34.3 cm (18.5 × 8.5 × 13.5 in)
- Max pet + carrier weight
- Not published
- Soft-sided
- Either allowed
Carrier max 18.5x8.5x13.5 in; hard or soft permitted. Sources differ on the small dimension (8.5 vs 9.5 in) — we use the more conservative 8.5 in. No published weight limit. Unverified cabin-specific fallback: no separate first class in-cabin carrier rule found; copied from Economy as a conservative stand-in.
- Max carrier size
- 47 × 21.6 × 34.3 cm (18.5 × 8.5 × 13.5 in)
- Max pet + carrier weight
- Not published
- Soft-sided
- Either allowed
Carrier max 18.5x8.5x13.5 in; hard or soft permitted. Sources differ on the small dimension (8.5 vs 9.5 in) — we use the more conservative 8.5 in. No published weight limit. Unverified cabin-specific fallback: no separate premium economy in-cabin carrier rule found; copied from Economy as a conservative stand-in.