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 ...
American Airlines American Airlines charges $40 for the first checked bag ($35 if you pay online) and $45 for the second when traveling with the U.S. (including Puerto Rico and U.S. Virgin Islands).