Your max carry-on size depends on whether your bag will fit in the overhead bin. Most bins can only handle carry-on luggage that is 22 inches tall, including wheels. Larger than that, and the bag would have to be turned sideways, which takes up too much room.
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Carry-on bags shouldn't be larger than 22 inches long, 14 inches wide and 9 inches high including handles and wheels. Dimensions of personal items should not exceed 18 inches long, 14 inches wide and 8 inches high. There are no weight restrictions for carry-on luggage.
Size matters1. H x W x D: Most airlines use this formula to calculate bag size. For example, they might require dimensions like 22 x 14 x 9 inches, which is the most common set of dimensions for carry-ons.
21 - 22 Carry-on LuggageThese are the most popular sizes of carry-on luggage for U.S. domestic flights. Most U.S. airlines have carry on restrictions of 22 x 14 x 9, or 45 linear inches.
Can a 24 inch luggage be a carry on? Unfortunately no, the standard carry-on size is typically 22” x 14” x 9”, so a 24 inch bag is too large to bring on board of most economy standard airlines.
Your max carry-on size depends on whether your bag will fit in the overhead bin. Most bins can only handle carry-on luggage that is 22 inches tall, including wheels.
Though you might find an inch or two of a difference with various airlines, the standard domestic carry-on luggage size is 22 x 14 x 9, which includes the handle and the wheels.
The largest checked international luggage size allowed is 62 linear (total) inches. Typically, a standard checked luggage size wavers around 27 x 21 x 14 inches. The universally accepted carry-on luggage size for a domestic flights (within the U.S.) is 22 x 14 x 9.
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.
Unless your carry-on is extremely large, the airline employees at the gate most likely won't ask to measure it. If they'd ask each passenger to measure their carry-on, the boarding would take too long. This could cause delayed flights, which airlines don't want.
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. Airline carriers will allow overweight, oversize or additional baggage for additional fees.
Can a 24 inch luggage be a carry on? Unfortunately no, the standard carry-on size is typically 22” x 14” x 9”, so a 24 inch bag is too large to bring on board of most economy standard airlines.
If your checked bag is over 62 linear inches (157 cm), it will be marked as oversized. This is a rule set by airline regulators to protect baggage handlers from any potential injuries.
Most Airlines Don't Care if Your Carry-On Is 1 Inch Too Big. Carry-ons are measured at the airport before boarding the plane. It's done with metal measuring boxes just in the right size for the allowed carry-on dimensions. If your bag is too large and it isn't flexible, you won't be able to fit it inside.