Does United consider a backpack a carry-on?

These items must fit under the seat in front of you, so they must be 9 in x 10 in x 17 in (22 cm x 25 cm x 43 cm). Common things include purses, backpacks and laptop bags. If you're at the airport and not sure if your bag is the right size, you can use our bag sizers to measure your bag.



Whether United Airlines considers a backpack a "carry-on" or a "personal item" depends entirely on its physical size and your ticket type. If the backpack can fit under the seat in front of you (max 9" x 10" x 17"), it is a personal item and is free for all passengers. However, if it is a large hiking-style backpack that must go in the overhead bin, it is a carry-on. This is a critical distinction for Basic Economy passengers, who are not allowed a carry-on and are restricted strictly to one personal item. If a Basic Economy traveler brings a full-sized backpack to the gate, United will force them to check the bag and pay a standard gate-check fee plus an additional $25 handling charge.

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Personal items These items must fit under the seat in front of you, so they must be 9 in x 10 in x 17 in (22 cm x 25 cm x 43 cm). Common things include purses, backpacks and laptop bags. If you're at the airport and not sure if your bag is the right size, you can use our bag sizers to measure your bag.

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You can travel with one personal item, like a shoulder bag, backpack, or laptop bag that fits under the seat in front of you.

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The short answer: Yes, a backpack is generally considered a personal item if it fits under the seat in front of you. Most airlines offer a few examples of things that fit into the “personal item” category, such as a purse, laptop bag, or a briefcase, but they don't usually include “backpack” on those lists.

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Domestic carry-on policies. A good rule of thumb is that if your carry-on bag fits under the seat in front of you, it's considered a personal item. This includes small backpacks, purses, briefcases, laptop bags, etc. Larger bags, including suitcases, must fit in the overhead bin compartment.

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Your backpack will generally be allowed as a carry-on if it's under 50 liters, or about 22 x 14 x 9 inches. Get a 45-liter backpack if you want to carry as much stuff as possible on the plane with you.

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American Airlines
According to airline policy, any personal items stowed beneath seats should not exceed 18 inches by 14 inches by 8 inches.

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Basic Economy tickets are nonrefundable and non-changeable except as allowed by our 24-hour flexible booking policy. They can't be combined with any other fare type. They have no value if canceled or unused. They may be eligible for partial travel credit if canceled prior to departure.

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depending on the plane, one inch might not be a big deal. If it is a problem, they make you either check it at the front desk, the gate, or if you're having trouble fitting it in the overhead bin or under your seat, the flight attendant will help you gate check it plane side.

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Will a 40L backpack fit under an airplane seat? Likely such a bag would be 21 -22 inches long, and so be 3–4 inches too long. A maximum under seat bag would be about 18 x 14 x 8 inches, 2016 cubic inches. With 61 cubic inches per liter, maximum under seat size would be about 33 liters.

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To calculate the size of your carry-on bag, measure the length, height, and depth (or width) of your bag. You can add the three numbers together to find the total linear inches. For example, a bag with a length of 20 inches, width of 12 inches, and depth of 6 inches would be 20+12+6 = 38 linear inches.

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Yes. The usual maximum dimensions for carry-on luggage are 9 inches x 14 inches x 22 inches (22 centimeters x 35 centimeters x 56 centimeters). This is 43.12L, so your 50L backpack is about 16% too big. You might get away with it because the gate staff often doesn't (have the time to) check the bag sizes in all detail.

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Volume: A 45L backpack is the maximum-sized carry on allowed on most US airlines. For international or budget airlines, choose a bag under 40L. If you want to pack ultralight, anything 35L or under can be carried on virtually any airline. Dimensions: The common 45L volume is usually measured as 22 x 14 x 9 inches.

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As a general rule of thumb, anything smaller than the dimensions of a carry-on can be considered a personal item. However, every airline has different restrictions for size. In most cases, your backpack should be no more than 18 x 14 x 8 inches.

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Some airlines also publish weight limits. Volume: A 45L backpack is the maximum-sized carry on allowed on most US airlines. For international or budget airlines, choose a bag under 40L. If you want to pack ultralight, anything 35L or under can be carried on virtually any airline.

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Depending on the heaviness of your shoulder bag, carrying it predominantly on one shoulder can also cause the opposite side of your spine to spasm, causing tightness and pain in your lower back and sacrum. If you want to avoid any of these results, using a backpack instead of a shoulder bag can be the answer.

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As a general rule of thumb, backpacks will offer better support for your back than shoulder bags, and so if you're carrying heavier loads, or have a longer commute in your day, then a backpack is probably the best option for you.

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While this can be confusing, most popular airlines allow you to bring a carry-on and personal item, such as a backpack or purse. In general, your personal item should be smaller than your carry-on and under the specific airline's carry-on dimensions, allowing it to fit under the seat in front of you.

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