A carry-on bag ensures you ... Here's a quick reference for size limits for the most popular US airlines. Alaska Airlines All 55.88 x 35.56 x 22.86 cm; 22 x 14 x 9 in American Airlines All 56 ...
What is the maximum size for carry-on luggage? Carry-on luggage sizes can vary by airline. Several major U.S. carriers, such as American Airlines and United, impose a 22 x 14 x 9-inch rule.