United Airlines is the latest carrier to raise bag fees. Here's how much more you'll have to pay.

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United Airlines bag counter
Major airline passengers will be paying more for checked bags.

Scott Olson/Getty Images

American Airlines is raising its checked bag fees and overhauling how customers earn miles

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American Airlines terminal
American Airlines is changing up its baggage and AAdvantage policies.

Lynne Sladky/AP

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