Does United economy allow a carry-on?

United restricts full-sized carry-ons for its basic economy tickets. Basic economy tickets are ineligible for refunds and don't include seat selection. Economy Plus features standard economy seats with extra legroom. Standard economy includes seat selection and a free carry-on.



Whether a United Airlines economy ticket allows a carry-on depends entirely on which specific "Economy" fare you have purchased. A standard "United Economy" ticket includes one full-sized carry-on bag (22 x 14 x 9 inches) and one personal item (17 x 10 x 9 inches) for free. however, if you have purchased a "Basic Economy" fare, you are not permitted to bring a full-sized carry-on bag on domestic flights or short-haul international flights; you are only allowed one personal item that must fit under the seat in front of you. If a Basic Economy passenger brings a carry-on bag to the gate, they will be required to check it and pay the standard checked bag fee plus a $25 gate handling charge. There are exceptions for Basic Economy: MileagePlus Premier members, Chase United Credit Card primary cardholders, and those on trans-Atlantic or trans-Pacific international flights are still allowed one free carry-on. In 2026, United's automated systems are very efficient at identifying fare classes during boarding, so it is crucial to verify your specific ticket type before arriving at the airport to avoid unexpected fees.

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Basic Economy passengers board last, typically in Group 9. Overhead bin space is usually full by then, so plan to check your carry-on bag and bring only 1 personal item on board. Customers who need special assistance and families with children under 2 years old can ask to board early at the gate.

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A quick easy way is to go into your reservation on the United website or app and try to select a seat. If you are Basic Economy, it won't let you select a seat or have a seat assignment in advance unless you purchased one.

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Your bag will have to fit into the sizer for it to be approved as a carry-on. Having a flexible fabric bag is advantageous in this situation because you'll be able to squeeze it in even if it's slightly oversized. Usually, many airlines won't check every carry-on but will instead go for ones that look oversized.

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You are allowed to bring a quart-sized bag of liquids, aerosols, gels, creams and pastes through the checkpoint. These are limited to 3.4 ounces (100 milliliters) or less per item. This is also known as the 3-1-1 liquids rule.

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  1. Highest full fare: Y.
  2. Full fare: B.
  3. High fare: M, E, H, U.
  4. Discounted fare: Q, V, W.
  5. Deep-discounted fare: L, K, S, T.
  6. Lowest discounted fare: G.
  7. Basic economy: N (on domestic flights).


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You're not allowed a full-sized carry-on bag unless you're a MileagePlus Premier member or companion traveling on the same reservation, primary cardmember of a qualifying MileagePlus credit card or Star Alliance Gold member.

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In general, standard domestic carry-on luggage size is 22 x 14 x 9 inches. If you're flying internationally, that may vary a little to 21.5 x 15.5 x 9 inches. Remember, those dimensions include the handle, wheels and anything else that may protrude from your suitcase so don't miss them from your measurements.

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Keep in mind that upgrading to Economy Plus will only net you more legroom, guaranteed in-seat power access and a seat closer to the front of the plane; it will not get you an additional baggage allowance.

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Standard economy allows carry-on bags and complimentary seat selection, while basic economy, as the cheapest of the bunch, carries the most restrictions.

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Is toothpaste considered a liquid by the TSA? Yes, toothpaste must adhere to the 3-1-1 rule for liquids and gels. Toothpaste can be brought through TSA security in your carry-on as long as it is 3.4 ounces (100 milliliters) or less and placed in a 1-quart bag.

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Toothpaste is considered a liquid by the TSA (Transport Security Agency), even though it's technically a paste. In fact, all pastes, gels, waxes, and lotions are also classified as liquids. And even today, these substances are still restricted by the 3-1-1 rule in hand luggage due to safety threats.

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Safety Razors: Because the razor blades are so easy to remove, safety razors are not permitted in your carry-on luggage with the blade. They're fine to pack in your carry-on without the blade. The blades must be stored in your checked luggage.

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