Last Updated on July 31, 2026 by Daniel Globe
American Airlines allows most passengers to bring one carry-on bag and one personal item, but both pieces must meet the airline’s size and stowage rules. The safest approach is to measure the bag at home, include the wheels and handles, and leave enough room so an expanded pocket does not push the bag over the limit.
Quick Answer
American Airlines can enforce its carry-on limit at the gate. A standard carry-on may not exceed 22 x 14 x 9 inches, including wheels and handles, and the personal item should not exceed 18 x 14 x 8 inches. A bag that does not fit the airport sizer may need to be checked.
Key Takeaways
- The standard carry-on limit is 22 x 14 x 9 inches, including handles and wheels.
- A personal item should not exceed 18 x 14 x 8 inches and must fit under the seat.
- American publishes the same basic allowance—one carry-on and one personal item—for all cabins, including Basic Economy.
- Regional American Eagle aircraft may require a free valet check because their overhead bins are smaller.
- Remove power banks, spare batteries, e-cigarettes, medication, valuables and essential electronics before any gate check.
At a Glance
| Carry-on allowance | 1 carry-on bag plus 1 personal item |
| Carry-on size | 22 x 14 x 9 inches maximum, including wheels and handles |
| Personal-item size | 18 x 14 x 8 inches maximum; must fit under the seat |
| Published weight limit | No general carry-on weight maximum is listed on American’s standard policy page |
| If the bins are full | A compliant bag may be gate-checked; remove restricted and valuable items first |
| Regional aircraft | American Eagle may use free valet service because of limited bin space |
American Airlines Carry-On Size and Personal-Item Rules
Under American Airlines’ current carry-on baggage policy, you may bring one carry-on item in addition to one personal item if both pieces meet the requirements and can be stowed safely.
Carry-on bag dimensions
Your carry-on bag cannot exceed 22 x 14 x 9 inches, including wheels, handles, side pockets and any other protruding parts. It must fit in the airport bag sizer and in an overhead bin or under the seat in front of you.
Personal-item dimensions
Your personal item should not exceed 18 x 14 x 8 inches (45 x 35 x 20 cm). Common examples include a purse, laptop bag, briefcase or small backpack. It must fit completely under the seat and cannot block the aisle or the space around your feet.
Is there a carry-on weight limit?
American’s standard carry-on page does not publish a general weight maximum. Size and safe stowage are the main limits. You should still pack a bag you can handle safely, and you should check the rules of any partner airline on your itinerary because another carrier may apply a weight limit.
Does Basic Economy get a carry-on?
Yes. American states that passengers in all cabins may bring one carry-on bag and one personal item. AAdvantage status, a premium cabin or an eligible credit card may change checked-bag benefits, but it does not create a larger carry-on size allowance.
How Strict Is American Airlines With Carry-On Size?
American Airlines can enforce the published dimensions whenever a bag appears too large, does not fit the sizer or cannot be stowed safely. Enforcement may feel more noticeable on full flights and aircraft with smaller overhead bins, but there is no reliable public percentage showing how many passengers have their bags measured.
Gate agents and crew members have the final say on whether an item is suitable for the cabin and whether enough bin space remains. A soft-sided bag is not automatically exempt: it still needs to fit in the sizer without being forced and must fit in the available stowage space.
The practical test is simple: the bag must fit the airport sizer and the aircraft’s available stowage space—not merely match the dimensions printed on a luggage tag.
Pro Tip: Do not pack an expandable carry-on to its limit. Measure it after packing and zipping every compartment, because a bulging front pocket can make an otherwise compliant bag fail the sizer test.
Aircraft and Airport Restrictions
The 22 x 14 x 9-inch standard is the main limit, but American warns that some airports and aircraft can have additional restrictions. Overhead-bin size varies, and many American Eagle regional flights have less cabin storage than mainline aircraft.
American Eagle valet bags
On regional American Eagle aircraft with limited bin space, a carry-on larger than the personal-item dimensions may need to be valet-checked before boarding. American says this service is free, and the bag is normally returned on the jet bridge after arrival. The Embraer ERJ-175 is an exception: American says it accepts standard carry-ons and does not offer valet service.
Note: A codeshare or connecting flight operated by another airline may follow the operating carrier’s cabin-bag rules. Check every airline shown on your itinerary, not only the airline that sold the ticket.
How to Measure Your Carry-On Correctly
- Pack the bag first. An empty suitcase may meet the limit but become too deep when full.
- Close every zipper. Include any expanded section or stuffed exterior pocket.
- Stand the bag upright. Measure from the floor to the highest point, including wheels and the collapsed handle.
- Measure the widest side. Include side handles, pockets and bulges.
- Measure the depth. Check the thickest point from front to back.
- Compare all three measurements. A bag must meet each limit; matching the total linear inches is not enough.
Use a rigid tape measure rather than relying only on the manufacturer’s label. Product dimensions are sometimes listed for the main shell and may exclude wheels or handles.
What Happens If Your Carry-On Is Too Large?
If the bag does not fit the sizer or cannot be safely stowed, American may require it to be checked. The outcome depends on why the bag is checked:
- Oversized bag: The normal checked-bag charge may apply based on your fare, route and baggage benefits.
- Full overhead bins: A compliant carry-on may be gate-checked because the cabin is out of space.
- American Eagle valet service: Eligible regional-flight bags are tagged at the gate at no charge and usually returned on the jet bridge.
- Final delivery: A standard gate-checked bag may go to baggage claim, while a valet bag is generally returned planeside. Confirm the tag and pickup location with the agent.
Checked-bag prices vary by ticket date, fare and destination, so review American’s current bag and optional fee table before travel rather than relying on an old fee quoted in a third-party article.
What to Remove Before a Gate Check
Move anything you cannot safely place in the cargo hold into your personal item before handing over the bag. American’s conditions of carriage specifically advise passengers to keep fragile or valuable items, keys, medication and computers with them. Also remove spare batteries, portable chargers and e-cigarettes.
Warning: Never leave a power bank, spare lithium battery or e-cigarette in a carry-on that is being gate-checked. These items must remain in the cabin, and battery terminals should be protected from short circuits.
Carry-On Packing and Security Rules
Liquids and powders
For U.S. security screening, most liquids, gels and aerosols must follow the TSA 3-1-1 rule: containers of 3.4 ounces (100 mL) or less inside one quart-size bag, subject to exceptions for medically necessary liquids and certain duty-free purchases. Powders over 12 ounces (350 mL) may require extra screening on flights to the United States.
Power banks, batteries and e-cigarettes
American’s current restricted-items policy says portable chargers are carry-on only. It limits passengers to two portable chargers, each no more than 100 watt-hours. While onboard, keep them visible and within reach, such as in the personal item or seatback pocket; do not store them in the overhead bin or use seat power to recharge them.
Spare lithium batteries and e-cigarettes are also carry-on only. Larger batteries may require airline approval or may be prohibited. Check the watt-hour rating printed on the battery and review the FAA PackSafe battery guidance before packing.
Camping stoves and outdoor gear
If you are planning an outdoor trip, this guide to 5 Must-Have Portable Camping Stoves for Your Spring 2025 Adventures may help with equipment research, but airline safety rules control what may fly. Camp-stove fuel is prohibited in carry-on and checked baggage. A stove may be allowed only when it is completely empty, purged and free of fuel residue or vapors, and the airline may still decline it.
Items That Do Not Count Toward the Standard Allowance
American lists several items that do not count as the passenger’s one carry-on or one personal item:
- One diaper bag per child
- A breast pump
- A small, soft-sided cooler of breast milk
- Child safety seats and strollers, subject to stowage and check-in rules
- Medical and mobility devices
A fully collapsible stroller under 20 pounds may be carried on only if it fits in an overhead bin; other strollers generally need to be checked. American provides additional details in its children and infant travel policy. Removable mobility-device parts may be carried onboard without counting toward the allowance when they fit securely under a seat or in an overhead bin; see American’s mobility and medical-device guidance.
Special Carry-On Items
Soft-sided garment bags
A soft-sided garment bag may be carried on when its total dimensions—length plus width plus height—do not exceed 51 inches (130 cm). It still counts as the carry-on item.
Musical instruments
A musical instrument normally counts as the carry-on and must fit in the overhead bin, under the seat or in an approved storage area. Larger instruments may require a separate purchased seat or checked handling under American’s special-item rules.
Carry-on pets
An approved pet carrier must fit under the seat and follows separate route, aircraft, breed and fee rules. Because the carrier occupies the under-seat area, confirm how it affects your other cabin items before travel.
Tips to Avoid Carry-On Problems at the Gate
- Measure the packed bag, not the empty shell.
- Keep a small personal item ready for medication, documents, electronics and batteries.
- Do not assume a “22-inch” suitcase complies; verify all three exterior dimensions.
- Avoid overstuffing soft bags or using the expansion zipper.
- Label the carry-on in case it must be checked.
- Check the operating carrier when your itinerary includes a partner airline.
- On American Eagle flights, expect possible valet service even when the bag meets the standard dimensions.
Options for an Oversized Carry-On
If your packed bag is too large, the simplest option is to repack before leaving for the airport. Move nonessential items to a checked bag, use a smaller carry-on, or ship bulky items ahead through a reputable service. Shipping can be useful for large or specialized equipment, but compare the total price, insurance, tracking and delivery time with the airline’s checked-bag fee.
Do not try to compress a rigid suitcase into the sizer or rely on a gate agent overlooking an obvious overage. A small adjustment at home is usually faster and cheaper than reorganizing belongings during boarding.
Frequently Asked Questions
What are American Airlines’ carry-on size restrictions?
The maximum carry-on size is 22 x 14 x 9 inches, including wheels and handles. The bag must fit in the airport sizer and in an overhead bin or under the seat.
How strict is American Airlines with carry-on size?
American can require a bag to be checked when it does not fit the sizer or cannot be safely stowed. Checks may be more noticeable on full flights and aircraft with small bins, but not every bag is measured.
What is the American Airlines personal-item size?
A personal item should not exceed 18 x 14 x 8 inches and must fit completely under the seat in front of you.
Does American Airlines have a carry-on weight limit?
American’s standard carry-on policy does not list a general weight maximum. The bag must meet the size limit and be suitable for safe stowage. A partner airline on the itinerary may have its own weight rule.
Can I bring a 24-inch suitcase as a carry-on?
Usually not. A 24-inch suitcase normally exceeds American’s 22-inch maximum once the wheels and handles are included. Measure the full exterior before travel.
What happens if my carry-on is oversized?
American may require the bag to be checked, and a normal checked-bag fee may apply. If a compliant bag is checked only because bins are full, or it is valet-checked on an eligible American Eagle flight, the handling may be complimentary.
Can elite status or a premium ticket allow a larger carry-on?
No published rule gives elite or premium-cabin passengers a larger standard carry-on. Status and fare benefits may change checked-bag allowances or boarding order, but the carry-on still must fit the sizer and aircraft stowage space.
Are soft-sided bags treated differently?
A soft-sided bag is allowed, but it must still fit within the size limits and go into the sizer without being forced. Overstuffed pockets and bulges count toward the exterior dimensions.
Conclusion
American Airlines’ carry-on rule is straightforward: keep the main bag within 22 x 14 x 9 inches, keep the personal item within 18 x 14 x 8 inches, and measure every exterior part after packing. The airline can require a bag to be checked when it does not fit the sizer or the available cabin space.
Prepare for that possibility by keeping medication, travel documents, valuables, power banks and spare batteries in the personal item. Travelers on American Eagle should also expect possible free valet handling because many regional aircraft have smaller overhead bins.
Sources
- American Airlines: Carry-on bags — size limits, personal items, garment bags and American Eagle valet service
- American Airlines: Conditions of carriage — sizer, stowage, gate-check and special-item rules
- American Airlines: Bag and optional fees — current checked-bag charges and cabin allowance
- American Airlines: Restricted items — power banks, lithium batteries, e-cigarettes and prohibited items
- Transportation Security Administration: What Can I Bring? — liquids, camping stoves and security-screening restrictions
- Federal Aviation Administration: Airline passengers and batteries — lithium-battery and power-bank safety requirements
