American Airlines Carry-On Size Guide: Dimensions, Rules, and Expert Tips

Have you ever had this moment: arrive at the gate with your slightly oversized carry-on, then get stopped before boarding? American Airlines has strict size rules—if your bag won't fit in the sizer, you'll have to valet it. That’s exactly why understanding American Airlines carry-on size can save you time and stress.

American Airlines Carry-On Policy

In 2025, American Airlines allows one personal item and one carry-on per passenger. 

Notes:

• ✈️ Regional flights (American Eagle®): Smaller bins, stricter size limits.
• 💼 Measure your bag, including wheels and handles!

What Happens if Your Carry-on Exceeds the Limit?

At the gate, staff may ask you to place your carry-on in a sizer. If it doesn’t fit:

• You may valet the bag before boarding
  
• Your bag may not be on board if space is limited

Does American Airlines Charge for Carry-Ons?

Standard Carry-On Policy:

• No charge for carry-ons meeting size requirements
• Maximum dimensions: 22 x 14 x 9 inches (including handles and wheels)

When Charges Apply:

• Overweight bags (51-70 lbs)
• Sports equipment

What Counts as a Personal Item?

Carry-On and Personal Item are different; if using 2 large bags, they won’t both be onboard for free.

Note: Strollers, child safety seats, and diaper bags don’t count as personal items or carry-on. If you’re travelling with babies, the guide below may also help.

Can You Bring Your Pet Onboard as a Carry-On?

✅ Carry-On Pets (In-Cabin)

• Allowed Animals: Cats and dogs only
• Carrier Requirements:
• • Soft-sided carrier
  • Must fit under seat
• Fee: $150 each way
• Important Rules:
• • One pet per passenger
  • Counts as your carry-on or personal item
  • Pets must remain in the carrier at all times

❌ Pets Not Allowed In Cabin

• Large dogs
• Birds, rodents, reptiles, etc.
• Flights over 12 hours

🛄 Checked Pets (Special Cases Only)

• Only for:
• • Active-duty U.S. military
  • U.S. State Department personnel (on official orders)
• Fee: $200 per kennel

How to Maximize Your Carry-On Space?

1. Use packing cubes to organize and compress clothing
   
2. Roll your clothes instead of folding
   
3. Wear Multi-Pocket Jackets on plane
   
4. Use every compartment of your suitcase, especially exterior zip ones
   
5. Choose suitcases made of flexible materials that can expand slightly but still compress when needed