United Airlines vs Southwest baggage allowance compared side by side — cabin bag weight and size, checked limits and free bags for standard economy. Here's which is more generous, and how to pack to the limit either way.
| 🇺🇸 United Airlines | 🇺🇸 Southwest | |
|---|---|---|
| Carry-on weight | 10 kg | 10 kg |
| Carry-on max size | 56×35×22 cm | 61×38×28 cm |
| Checked bag weight | 23 kg | 23 kg |
| Free checked bags | None | 2 |
| Personal item | Yes | Yes |
ℹ️ Standard economy figures from each airline's published limits. Fares, routes and loyalty tiers change these — confirm on the official site before flying.
Add United Airlines or Southwest in OneBag and track your packed weight live against their exact cabin and checked limits — separate progress bars per bag. Free.
Download for iOSDownload for AndroidUnited Airlines allows up to 10 kg (56×35×22 cm) and Southwest allows up to 10 kg (61×38×28 cm) in standard economy. both allow the same 10 kg cabin bag, and Southwest includes more free checked baggage.
United Airlines: no free checked bag. Southwest: 2 free checked bags. Always check your specific fare.
United Airlines allows 23 kg per checked bag and Southwest allows 23 kg. Overweight fees are charged per kg over the limit.
Single-airline guides: United Airlines baggage · Southwest baggage
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