The three airlines often undercut legacy carriers on price, but they charge for nearly everything, such as seat assignments, carry-on bags, and even sodas. About 85 percent of United’s customers ...

Linear inches: A few airlines have linear inch restrictions for carry-on baggage, meaning the airline gives one number for ...

Flying for the busy holiday season? Here's how to get the most out of your carry-on bag and get it smoothly through TSA.

Each airline has its own restrictions for how large your carry-on luggage can be. Many or all of the products on this page are from partners who compensate us when you click to or take an action ...

United Airlines offers a budget-friendly option ... Basic economy ticket holders who arrive at security with a standard carry-on size bag will be charged a fee starting at $35.