Carry-On Size by Airline

Carry-on and personal item size limits for each airline, with the fee when a bag is too big.

Woman sliding a charcoal roller bag into the United bag sizer frame marked 22 x 14 x 9 in at a Houston Terminal C gate while a United agent watches

United Carry-On Size 2026: 22 x 14 x 9 in

United carry-on size is 22 x 14 x 9 in, personal item 17 x 10 x 9 in. Most Basic Economy tickets get the personal item only; exceptions and gate-check rules.

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Fijian-Indian woman pushing a navy roller bag into the bag sizer frame at the Delta check-in in Los Angeles Terminal 3 under a sign showing the 22 x 14 x 9 inch limit

Carry-On Size New

Delta Carry-On Size 2026: 22 x 14 x 9 in

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Woman holding a small black backpack against the personal item size sign at the JetBlue gate in Boston Logan Terminal C

Carry-On Size New

JetBlue Carry-On Size 2026: Personal Item 17 x 13 x 8 in

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Man placing a charcoal roller bag into the sizer frame at the American Airlines gate in Charlotte while the agent talks to him

Carry-On Size New

American Airlines Carry-On Size 2026

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Man reading the carry-on size sign at the Alaska Airlines gate in Seattle while the gate agent talks to him

Carry-On Size New

Alaska Airlines Carry-On Size 2026

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Woman fitting a large grey roller bag into the sizer frame at the Southwest gate in Denver beside a sign showing the 24 x 16 x 10 inch limit

Carry-On Size New

Southwest Carry-On Size 2026: 24 x 16 x 10 in

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Man holding a bulging backpack against the personal item size sign at the Frontier gate in Cleveland while the agent looks at it

Carry-On Size New

Frontier Carry-On Size 2026: Why It Is a Paid Bag

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