Southwest Airlines carry-on size and weight rules (2026)
Here are Southwest Airlines's carry-on rules for a standard Economy ticket, straight from the airline's page.
| Overhead cabin bag | 61 x 40.6 x 25.4 cm |
|---|---|
| Weight | No weight limit stated |
| Under-seat item | One personal item that fits under the seat |
Good to know
- Carry-on limit is 24 x 16 x 10 in (about 61 x 41 x 25 cm), including wheels, handles and attachments.
Check your bag against every airline
Source
Southwest Airlines: official carry-on page (checked 15 Oct 2026). Allowances vary by fare, route, cabin and frequent-flyer status, so check your booking.