What Are the Legal Dimensions for Airline Carry-on Luggage?


Quick Answer

Allowed carry-on baggage dimensions vary between airlines. As of 2015, there are no legal dimension requirements stated by the TSA, but most airlines allow a total of around 45 inches in combined length, width and height.

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Full Answer

Most airlines allow one piece of cabin luggage plus one small personal item, such as a laptop, purse or briefcase.

As of 2015, American Airlines specifies carry-on luggage must measure no more than 22" x 14" x 9". Delta and United echo these dimension requirements; however, United allows personal items to include a backpack or other bag that measures no more than 17" x 10" x 9".

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