American Airlines Baggage Rules
American publishes the standard box and then adds the sentence that decides everything: it measures the full outside size, wheels and handles included.
We have not tested this gear. Every figure here is compiled from published manufacturer specifications and published airline policies, and the arithmetic is public so you can check it. This page contains affiliate links — see the affiliate disclosure.
American publishes 22 × 14 × 9 in for the carry-on and 18 × 14 × 8 in for the personal item, with no published weight limit. The sentence that matters is that it measures the full outside size, wheels and handles included — which is the larger of the two numbers most manufacturers publish.
Figures from American’s own published carry-on baggage page, checked 3 September 2026. Carriers change these; the source is linked at the bottom.
| # | Product | Published box | Fits | Score | Price |
|---|---|---|---|---|---|
| 1 | Osprey Farpoint 40 Travel PackOne-bag travel on any carrier that measures | 21.7 × 13.8 × 9.1 in | 4 of 11WN F9 G4 SY | 7.2 | Check price on Amazon#ad How we earn |
| 2 | Travelpro Maxlite 5 Carry-On Spinner (21 in)Southwest, Frontier and Sun Country flyers who want a lifetime warranty | 23 × 14.5 × 9 in | 3 of 11WN F9 SY | 6.6 | Check price on Amazon#ad How we earn |
| 3 | American Tourister Airconic Carry-On SpinnerHawaiian's 25 lb carry-on cap, and anyone lifting a bag overhead unaided | 21.7 × 15.8 × 7.9 in | 4 of 11WN F9 G4 SY | 3.8 | Check price on Amazon#ad How we earn |
| 4 | Samsonite Winfield 3 DLX Spinner (20 in)Buyers who want polycarbonate and the smallest published overage | 22.25 × 14.5 × 9.5 in | 3 of 11WN F9 SY | 3.3 | Check price on Amazon#ad How we earn |
| 5 | Rockland Melbourne Hardside Spinner (20 in)Flying carriers that actually measure, and packing light on purpose | 20 × 13 × 10 in | 4 of 11WN F9 G4 SY | 3.1 | Check price on Amazon#ad How we earn |
No live price is currently verified, so every button here reads Check price on Amazon rather than a number we cannot stand behind. See how we handle prices.
The published limits
| Allowance | American's published limit | Notes |
|---|---|---|
| Carry-on | 22 × 14 × 9 in | Measured as the full outside size |
| Personal item | 18 × 14 × 8 in | Must fit under the seat in front of you |
| Carry-on weight | None published | You still have to lift it into the bin |
The carry-on box is the US standard, shared with Delta, United, Alaska, JetBlue and Hawaiian. The personal item is one of the more generous published figures — larger than United’s 17 × 10 × 9 in by a wide margin. Every carrier’s under-seat box.
The sentence that catches people
American states that it measures the full outside size of a carry-on, wheels and handles included. That is not a technicality. It is the difference between the two numbers almost every manufacturer publishes.
A bag marketed as a “21-inch carry-on” frequently publishes both a “case size” of 21 × 14 × 9 in and an “overall size” of 23 × 14.5 × 9 in. Retail listings quote the smaller one. American measures the larger one.
| Bag | Case size published | Overall size published | Against American |
|---|---|---|---|
| Travelpro Maxlite 5 21 in | 21 × 14 × 9 in | 23 × 14.5 × 9 in | 1 in over on height |
| Rockland Melbourne 20 in | Not separately published | 20 × 13 × 10 in | 1 in over on depth |
| American Tourister Airconic | Not separately published | 21.7 × 15.8 × 7.9 in | 1.8 in over on width |
That third row is the uncomfortable one. The Airconic is the lightest hard case in our whole ledger and it is nearly two inches over on width. How to measure your own bag the way a sizer does.
The personal item is the generous half
At 18 × 14 × 8 in, American publishes one of the larger under-seat boxes in the US market — 2,016 cubic inches against United’s 1,530, which is 32% more space.
That matters more than it sounds, because the personal item is the bag that is never gate-checked and never questioned. On a full flight it is the only allowance you can rely on. Bags built for that box.
No published weight limit
American publishes no cabin-bag weight cap, which puts it with the majority of US carriers — seven of the eleven we track publish nothing. The practical limit is whether you can lift the bag over your head into a bin without help.
This is also the habit that catches US travelers abroad. Fly American to Europe, connect onto a carrier publishing 10 kg, and a bag that was never weighed suddenly is. Which carriers publish a cap.
Bags whose published dimensions fit American Airlines's carry-on box
Every bag in our ledger whose published dimensions fit American's 22 x 14 x 9 in box on all three sides. Bags that publish no dimensions are omitted, because they cannot be checked.
Osprey Fairview 40 Travel Pack
22 × 14 × 9 in
Shorter torsos, and anyone the Farpoint's shoulder straps do not suit
Tortuga Travel Backpack Pro 40L
22 × 14 × 8 in
Readers who want the tightest published depth in a 40 L bag
Not sold on Amazon#ad How we earnEagle Creek Cargo Hauler Duffel 40L
22 × 12.5 × 9 in
A duffel that will actually pass a gate sizer
Osprey Daylite Duffel 45
21 × 14 × 9 in
Maximum published volume that still clears a 22 × 14 × 9 in sizer
What to buy for American
- The safe answer → a bag whose overall published figure is inside 22 × 14 × 9 in. In our ledger that is a short list, and it is shorter than the marketing suggests.
- Softside over hardside, if you are within half an inch. Fabric compresses into a sizer; a shell does not. The full comparison.
- Use the personal item properly. At 18 × 14 × 8 in it holds a genuine amount, and it is the bag that cannot be taken from you at the door.
- Check the overall figure before you buy, not the model name. A “21-inch” bag is frequently 23 inches of measured object.
Every pick, with the working
Each entry below shows the published inputs, the four axis scores they produce, and what you give up. The order is the computed order, not a commercial one.
1 · One-bag travel on any carrier that measures
Osprey Farpoint 40 Travel Pack
40 L that fits the standard 22 × 14 × 9 in box on height and depth, weighs 3.27 lb, and carries a warranty with no stated end date. It is the strongest single row in this ledger.
- Published size
- 21.7 × 13.8 × 9.1 in
- Weight
- 3.27 lb
- Capacity
- 40 L
- Weight per liter
- 0.08 lb/L
- Cost per covered year
- $9.25/yr
- Published list price
- $185
Warranty All Mighty Guarantee — any reason, any product, any era
Fits 4 of 11 US carriers: WN, F9, G4, SY. See the limits.
What it does well
- 0.08 lb per liter is the best carry efficiency figure on this site
- The All Mighty Guarantee names no failure cause and no time limit
- 21.7 in height clears the 22 in standard with room to spare
What you give up
- 13.8 in width clears 14 in only when the pack is not overstuffed — soft bags grow
- No wheels, so a long terminal is carried on your back
- $9.25 per covered year is good but not the cheapest here
The arithmetic behind the score
- Value 7.2/10 — $185 ÷ 20 yr = $9.25/yr; $185 ÷ 40 L = $4.63/L
- Airline-fit breadth 3.6/10 — Fits the published carry-on limit at 4 of 11 US carriers: WN, F9, G4, SY
- Carry efficiency 8.7/10 — 3.27 lb ÷ 40 L = 0.082 lb/L
- Warranty & support 10.0/10 — no stated end date (6 of 6); repair published (+2); covers airline damage (+2)
Weights and breakpoints are published on how we rank. Where an input is not published, that axis is dropped and the remaining weights are re-normalized.
Specs: Osprey published specifications and price, compiled 3 September 2026.
2 · Southwest, Frontier and Sun Country flyers who want a lifetime warranty
Travelpro Maxlite 5 Carry-On Spinner (21 in)
The best weight-per-liter figure of any softside carry-on here, and the cheapest route to a lifetime warranty — but the published overall height is 23 in, which is an inch over the limit at most US carriers.
- Published size
- 23 × 14.5 × 9 in
- Weight
- 5.4 lb
- Capacity
- 46 L
- Weight per liter
- 0.12 lb/L
- Cost per covered year
- $8/yr
- Published list price
- $160
Warranty Built For A Lifetime limited warranty
Fits 3 of 11 US carriers: WN, F9, SY. See the limits.
What it does well
- 5.4 lb for 46 L is 0.12 lb per liter, the lightest carry-on in this ledger
- Lifetime limited warranty covering wheels, zippers and handles at a $160 published price
- Softside give means an overstuffed bag still closes
What you give up
- Published overall height of 23 in fails the 22 in limit at American, Delta, United, Alaska, JetBlue and Hawaiian
- No published airline-damage cover
- Fabric shell scuffs where a hardshell would only mark
The arithmetic behind the score
- Value 8.1/10 — $160 ÷ 20 yr = $8/yr; $160 ÷ 46 L = $3.48/L
- Airline-fit breadth 2.7/10 — Fits the published carry-on limit at 3 of 11 US carriers: WN, F9, SY
- Carry efficiency 7.3/10 — 5.4 lb ÷ 46 L = 0.117 lb/L
- Warranty & support 8.0/10 — no stated end date (6 of 6); repair published (+2); airline damage not covered (+0)
Weights and breakpoints are published on how we rank. Where an input is not published, that axis is dropped and the remaining weights are re-normalized.
Specs: Travelpro published specifications, compiled 3 September 2026. Travelpro publishes both a 21 × 14 × 9 in case size and a 23 × 14.5 × 9 in overall size. The overall figure is the one a gate sizer measures, so it is the one used here.
3 · Hawaiian's 25 lb carry-on cap, and anyone lifting a bag overhead unaided
American Tourister Airconic Carry-On Spinner
At 4.43 lb it is the lightest hardside carry-on in this ledger by nearly a pound, which matters most on the carriers that publish a weight cap.
- Published size
- 21.7 × 15.8 × 7.9 in
- Weight
- 4.43 lb
- Capacity
- Not published
- Weight per liter
- Not published
- Cost per covered year
- Not published
- Published list price
- Not published
Warranty Limited 10 year global warranty
Fits 4 of 11 US carriers: WN, F9, G4, SY. See the limits.
What it does well
- 4.43 lb empty leaves over 20 lb of payload inside Hawaiian's 25 lb published cap
- Polypropylene flexes and returns where ABS cracks
- 7.9 in depth is the slimmest here, which is what actually decides a tight bin
What you give up
- 15.8 in width fails the 14 in limit at six US carriers
- No published price, so we cannot compute cost per covered year
- Light shells transmit more impact to what is inside them
The arithmetic behind the score
- Value not scored — No manufacturer-published price, so this axis is not scored.
- Airline-fit breadth 3.6/10 — Fits the published carry-on limit at 4 of 11 US carriers: WN, F9, G4, SY
- Carry efficiency not scored — No published capacity, so weight per liter cannot be computed.
- Warranty & support 4.0/10 — 10 yr (4 of 6); no published repair route (+0); airline damage not covered (+0)
Weights and breakpoints are published on how we rank. Where an input is not published, that axis is dropped and the remaining weights are re-normalized.
Specs: American Tourister published specifications, compiled 3 September 2026. American Tourister lists the Airconic on its own store but did not publish a price we could read on 3 September 2026, so the Value axis is not scored for this bag.
4 · Buyers who want polycarbonate and the smallest published overage
Samsonite Winfield 3 DLX Spinner (20 in)
Skip this one. Skip it for American specifically. At a published 22.25 x 14.5 x 9.5 in it is the tightest hard case in our ledger and it is still over the box on all three dimensions - and American is the carrier that states plainly it measures the full outside size. A quarter-inch of overage matters more here than almost anywhere.
The closest any polycarbonate case in this ledger gets to the 22 × 14 × 9 in standard box, missing it by a quarter-inch of height and half an inch of width.
- Published size
- 22.25 × 14.5 × 9.5 in
- Weight
- 6.97 lb
- Capacity
- Not published
- Weight per liter
- Not published
- Cost per covered year
- Not published
- Published list price
- Not published
Warranty Limited 10 year global warranty
Fits 3 of 11 US carriers: WN, F9, SY. See the limits.
What it does well
- 22.25 × 14.5 × 9.5 in is the tightest published box of any hard case here
- Polycarbonate shell with a mounted TSA lock
- 1.5 in expansion for the return leg
What you give up
- Still fails the 22 × 14 × 9 in limit at six US carriers, by a small margin
- No manufacturer-published price on 3 September 2026, so cost per covered year cannot be computed
- No published capacity figure
The arithmetic behind the score
- Value not scored — No manufacturer-published price, so this axis is not scored.
- Airline-fit breadth 2.7/10 — Fits the published carry-on limit at 3 of 11 US carriers: WN, F9, SY
- Carry efficiency not scored — No published capacity, so weight per liter cannot be computed.
- Warranty & support 4.0/10 — 10 yr (4 of 6); no published repair route (+0); airline damage not covered (+0)
Weights and breakpoints are published on how we rank. Where an input is not published, that axis is dropped and the remaining weights are re-normalized.
Specs: Samsonite published specifications, compiled 3 September 2026. Samsonite's own store did not publish a price for the 20 in Winfield 3 DLX on 3 September 2026 — only for the large spinner in the same line. Rather than borrow a reseller's number, the Value axis is not scored for this bag.
5 · Flying carriers that actually measure, and packing light on purpose
Rockland Melbourne Hardside Spinner (20 in)
The only bag in this ledger whose published dimensions clear every single US carrier's carry-on limit — because it is genuinely small.
- Published size
- 20 × 13 × 10 in
- Weight
- 7.5 lb
- Capacity
- Not published
- Weight per liter
- Not published
- Cost per covered year
- Not published
- Published list price
- Not published
Warranty 5 year limited warranty (published terms vary by retailer)
Fits 4 of 11 US carriers: WN, F9, G4, SY. See the limits.
What it does well
- 20 × 13 × 10 in clears the published carry-on limit at all eleven US carriers here
- 43 linear inches, comfortably inside Delta's 45 linear inch cap
- Expandable, so the small footprint is a floor rather than a ceiling
What you give up
- Published warranty term differs between sources, which is its own warning
- 7.5 lb for a case this small is a poor weight-per-volume trade
- ABS shell at the cheapest end of the material ladder
The arithmetic behind the score
- Value not scored — No manufacturer-published price, so this axis is not scored.
- Airline-fit breadth 3.6/10 — Fits the published carry-on limit at 4 of 11 US carriers: WN, F9, G4, SY
- Carry efficiency not scored — No published capacity, so weight per liter cannot be computed.
- Warranty & support 2.5/10 — 5 yr (2.5 of 6); no published repair route (+0); airline damage not covered (+0)
Weights and breakpoints are published on how we rank. Where an input is not published, that axis is dropped and the remaining weights are re-normalized.
Specs: Rockland published product specifications, compiled 3 September 2026. No manufacturer-published price was readable on 3 September 2026. The Value axis is not scored for this bag.
No live price is currently verified, so every button here reads Check price on Amazon rather than a number we cannot stand behind. See how we handle prices.