Carry On

United Airlines basic economy carry-on

No, on most flights. Basic Economy includes a personal item up to 17 × 10 × 9 in (43.2 × 25.4 × 22.9 cm) only. A carry-on bag is not allowed on domestic flights.

Carry-on bag on Basic Economy
Not included on domestic flights
Personal item limit
17 × 10 × 9 in
43.2 × 25.4 × 22.9 cm
Carry-on limit
22 × 14 × 9 in
55.9 × 35.6 × 22.9 cm

Your bag

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Common bag sizes

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Rules to know

  • On domestic flights you may bring one personal item that fits under the seat. A full-size carry-on is not allowed.
  • On transatlantic, transpacific and South America routes, Basic Economy does include a full-size carry-on.
  • If you bring a carry-on to the gate on a domestic Basic Economy ticket, you pay the checked bag fee plus a gate handling charge.
  • Basic Economy boards last, so overhead bins are often full. Your carry-on may be checked at the gate.

Frequently asked questions

Can I bring a carry-on on United Airlines Basic Economy?

No, on most flights. Basic Economy includes a personal item up to 17 × 10 × 9 in (43.2 × 25.4 × 22.9 cm) only. A carry-on bag is not allowed on domestic flights.

What size personal item is allowed on United Airlines Basic Economy?

The personal item must fit under the seat in front of you, up to 17 × 10 × 9 in (43.2 × 25.4 × 22.9 cm).

What happens if I bring a carry-on on Basic Economy?

Gate agents check boarding groups. A carry-on found at the gate is checked, and you pay the checked bag fee plus a gate handling charge.

Data reviewed September 2026 against the official United Airlines baggage page. Airlines change rules. Confirm on the official page before you fly.Official baggage policy