While there are similarities between domestic and international flights, the rules for luggage can differ significantly.

While carry-on weight limits vary by airline, most domestic U.S. carriers—such as JetBlue, Southwest, Alaska Airlines, and Delta ... in mind that international airlines and flights may have ...

United and Delta have a few key differences, including the carry-on baggage allowance if you fly basic economy. Many or all of the products on this page are from partners who compensate us when ...