The combined dimensions of carry-on baggage should be less than 45 inches, with individual items measuring no more than 22 x 14 x 9 inches.
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On domestic flights within the United States, a carry-on bag that's smaller than 22 x 14 x 9 inches (45 linear inches), including handles and wheels will meet the size restrictions of all major airlines, such as United Airlines and Alaska Airlines.
Is a 22 inch carry on too big? No, a 22 inch carry-on bag is not too big, since it's a standard size for most airlines. But we always advise to double check the size allowance before your trip to be safe.
If your carry-on is oversized (and doesn't physically fit inside the overhead compartments) or you encounter a strict airline employee, they will ask you to check it in at the gate.
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.
All carry-on luggage must fit in the overhead bin or under the seat in front of you and adhere to the following requirements: Maximum Dimensions of Carry-on Luggage: 22 in x 14 in x 9 in/56 cm X 36 cm X 23 cm (length x width x height) Maximum Weight of Carry-on Luggage: 15 lb/7 kg.
Most regular airlines won't check the size, unless it's obviously way larger or heavier than your allowance, but you may need to consider where is that extra inch, if it's too wide/thick, it may not fit in the baggage overhead compartment and a flight attendant may check it in for you…
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.
Carry-On Allowance: 1 Carry-On + 1 Small BagAll carry-on luggage must fit in the overhead bin or under the seat in front of you and adhere to the following requirements: Maximum Dimensions of Carry-on: 22 in x 16 in x 8 in/55 cm x 40 cm x 20 cm. Maximum Weight of Carry-on: 22 lbs (10 kg)
Most airlines will allow you to check one bag and have one carry-on bag. There is normally a maximum weight limit of 50 pounds per checked bag as well as a size restriction. The most common maximum size bag allowed is 62 linear (total) inches. A common size bag for checking through is: 27 x 21 x 14.
Any bags not purchased online in advance, or that exceed your cabin bag allowance, will need to be placed in the hold, and you will be required to pay an airport bag fee of up to £48 per bag. You can also do this at the airport or via our Customer Services Team but it does cost a little more.
How strict are the airlines about luggage dimensions? Carryon dimensions are limited to the size of the overhead bin. In those cases dimensions are strict. Anything too big gets gate checked.
A backpack can be your carry on if it meets your airline's carry on size limits. A personal item is a smaller, secondary bag, which you'll stow under the seat in front of you. Read Carry Ons vs. Personal Items for more on the differences between the two.