United Airlines carry-on size and weight rules (2026)
Here are United Airlines's carry-on rules for a standard Economy ticket, straight from the airline's page.
| Overhead cabin bag | 56 x 35 x 23 cm |
|---|---|
| Weight | No weight limit stated |
| Under-seat item | Personal item up to 43 x 25 x 22 cm (17 x 10 x 9 in) |
Good to know
- Carry-on limit is 22 x 14 x 9 in (56 x 35 x 23 cm), including handles and wheels.
- Basic Economy: personal item only on most trips; a carry-on is allowed only to South America, across the Atlantic or across the Pacific.
- For tickets bought on or after 3 April 2026, checked bag fees start at US$45 prepaid and US$75 at the gate.
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Source
United Airlines: official carry-on page (checked 15 Oct 2026). Allowances vary by fare, route, cabin and frequent-flyer status, so check your booking.