Airlines often have size restrictions for checked luggage, but they do not typically measure the size of checked bags at the check-in counter. Instead, they rely on weight limits and visual assessments to determine whether a bag complies with their size regulations.
Will they measure my carry-on?
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…
What is the largest checked bag size for TSA?
Checked LuggageThe most common maximum size bag allowed is 62 linear (total) inches. A common size bag for checking through is: 27" x 21" x 14".
How strict are luggage dimensions?
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