2026 ranking · U.S. airlines

U.S. Airline with the Biggest Personal Item

Which U.S. airline allows the biggest personal item? Here's every U.S. airline ranked, from our sourced data.

Verified Oct 17, 2026By Steven MoHow we check Report a correction

Quick answer

American Airlines and Frontier Airlines tie for first: 18 × 14 × 8 in (about 33 liters). Sun Country and Avelo tie for next (17 × 13 × 9 in).

#1 American
18 × 14 × 8 in · About 33 liters
#1 Frontier
18 × 14 × 8 in · About 33 liters
#3 Sun Country
17 × 13 × 9 in · About 33 liters
#3 Avelo
17 × 13 × 9 in · About 33 liters

The ranking

  1. 1American AirlinesAbout 33 liters18 × 14 × 8 in
  2. 1Frontier AirlinesAbout 33 liters18 × 14 × 8 in
  3. 3Sun Country AirlinesAbout 33 liters17 × 13 × 9 in
  4. 3Avelo AirlinesAbout 33 liters17 × 13 × 9 in
  5. 5JetBlueAbout 29 liters17 × 13 × 8 in
  6. 5Breeze AirwaysAbout 29 liters17 × 13 × 8 in
  7. 7Southwest AirlinesAbout 29 liters16.25 × 13.5 × 8 in
  8. 8Allegiant AirAbout 28 liters7 × 15 × 16 in
  9. 9United AirlinesAbout 25 liters17 × 10 × 9 in
  10. 10Delta Air LinesNo size publishedFits under the seat
  11. 10Alaska AirlinesNo size publishedFits under the seat
  12. 10Hawaiian AirlinesNo size publishedFits under the seat

How we rank: The volume of each airline's published personal item limit. Airlines that only say "fits under the seat" are listed after. Equal values share a rank. Methodology

FAQ

American Airlines and Frontier Airlines tie for first: 18 × 14 × 8 in (about 33 liters). Sun Country and Avelo tie for next (17 × 13 × 9 in).

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