What is the maximum luggage size that can be carried on an airplane?

As of 2015, some airlines allow carry-ons up to 22 inches by 14 inches by 9 inches, such as Virgin Atlantic and Delta Air Lines. The exact maximum luggage size passengers can carry on an airplane depends on the individual airline.

The International Air Transport Association recommends travelers limit airline carry-on luggage sizes to 21.5 inches by 13.5 inches by 7.5 inches. American Airlines allows passengers to carry on bags as large as a total linear measurement of 45 inches including wheels and handles. The airline also allows travelers to bring checked luggage up to 62 inches on the airplane. Southwest Airlines offers a large maximum size for carry-on luggage at 24 inches by 16 inches by 10 inches.