Airline size guide

Will it fit under the seat?

Each airline's free personal-item limit, from its own website, next to The Personal Bag.

The Personal Bag: 16.5 × 12.25 × 6 in

• Frontier
  18 × 14 × 8 in
  Fits

  Up to 35 lb. Checked at boarding.

  Airline's page
• American
  18 × 14 × 8 in
  Fits
  Airline's page
• Allegiant
  18 × 14 × 8 in
  Fits

  Must go completely under the seat in front of you.

  Airline's page
• JetBlue
  17 × 13 × 8 in
  Fits, snug

  About half an inch to spare on the long side.

  Airline's page
• Breeze
  17 × 13 × 8 in
  Fits, snug

  About half an inch to spare on the long side.

  Airline's page
• Avelo
  17 × 13 × 9 in
  Fits, snug

  About half an inch to spare on the long side. Avelo says space varies by seat and plane.

  Airline's page
• Sun Country
  17 × 13 × 9 in
  Fits, snug

  About half an inch to spare on the long side. From Sun Country's contract of carriage.

  Airline's page
• Delta
  Under-seat item, no size given
  No size published

  Delta only says it must fit under the seat in front of you.

  Airline's page
• Southwest
  Under-seat item, no size given
  No size published

  Southwest only says it goes under the seat in front of you.

  Airline's page
• Alaska and Hawaiian
  Under-seat item, no size given
  No size published

  No personal-item size given. Alaska's page (it covers Hawaiian too) says one small item, like a purse or laptop bag.

  Airline's page
• United
  Not confirmed
  Check before you fly

  We couldn't confirm United's current personal-item size. Check united.com before you fly.

  Airline's page

Checked on each airline's own website. Airlines change their rules and gate agents have the final say, so check yours before you fly and don't overstuff the bag.