Carry-on and personal item size at US airlines
The most common US carry-on limit is 22 × 14 × 9 in (56 × 36 × 23 cm), used by 8 of 12 US airlines. The most common personal item limit is 18 × 14 × 8 in (46 × 36 × 20 cm), used by 3 of 12 US airlines, and 4 publish no personal item size.
Every limit is quoted from the airline's own baggage page. Pick the airlines you fly in the finder and it recommends only the bags that fit all of them outright, wheels and handles included.
| Airline | Carry-on | Carry-on weight | Personal item | Fares without a carry-on | Checked |
|---|---|---|---|---|---|
| Alaska Airlines | 22 × 14 × 9 in (56 × 36 × 23 cm) | — | No size published | — | 2026-10-20 |
| Allegiant Air | 10 × 16 × 22 in (25 × 41 × 56 cm) | — | 8 × 14 × 18 in (20 × 36 × 46 cm) | All fares (base fare) | 2026-10-19 |
| American Airlines | 22 × 14 × 9 in (56 × 36 × 23 cm) | — | 18 × 14 × 8 in (46 × 36 × 20 cm) | — | 2026-10-20 |
| Avelo Airlines | 22 × 14 × 9 in (56 × 36 × 23 cm) | — | 17 × 13 × 9 in (43 × 33 × 23 cm) | All fares | 2026-10-20 |
| Breeze Airways | 22 × 14 × 9 in (56 × 36 × 23 cm) | 35 lb (15.9 kg) | 17 × 13 × 8 in (43 × 33 × 20 cm) | Base fare (no Nicer/Nicest bundle) | 2026-10-20 |
| Delta Air Lines | 22 × 14 × 9 in (56 × 36 × 23 cm) | — | No size published | — | 2026-10-20 |
| Frontier Airlines | 24 × 16 × 10 in (61 × 41 × 25 cm) | 35 lb (15.9 kg) | 18 × 14 × 8 in (46 × 36 × 20 cm) | Basic | 2026-10-20 |
| Hawaiian Airlines | 22 × 14 × 9 in (56 × 36 × 23 cm) | — | No size published | — | 2026-10-20 |
| JetBlue | 22 × 14 × 9 in (56 × 36 × 23 cm) | — | 17 × 13 × 8 in (43 × 33 × 20 cm) | — | 2026-10-20 |
| Southwest Airlines | 24 × 16 × 10 in (61 × 41 × 25 cm) | — | No size published | — | 2026-10-20 |
| Sun Country Airlines | 24 × 16 × 11 in (61 × 41 × 28 cm) | 35 lb (15.9 kg) | 17 × 13 × 9 in (43 × 33 × 23 cm) | All fares (base) | 2026-10-20 |
| United Airlines | 9 × 14 × 22 in (23 × 36 × 56 cm) | — | 9 × 10 × 17 in (23 × 25 × 43 cm) | Basic Economy | 2026-10-20 |
Carry-ons that fit every US airline
- Briggs & Riley Sympatico Essential 22" Carry-On Expandable Spinner41 L
- Eagle Creek Tour Travel Pack 40L40 L
- MATEIN Carry on Backpack, Extra Large Expandable Travel Backpack40 L
- Patagonia Black Hole Duffel 40L40 L
- Tortuga Lite Backpack 40L40 L
- Tortuga Pro Backpack 40L formerly Travel Backpack Pro 40L40 L
- Monos Carry-On39.9 L
- CALPAK Ambeur Carry-On Luggage39.2 L
- Briggs & Riley Baseline Essential 22" 2-Wheel Expandable Carry-On39 L
- Travelpro Maxlite 5 Compact Carry-On Expandable Spinner38 L
- Briggs & Riley Baseline Essential 22" Carry-On Expandable Spinner37 L
- Monos Carry-On Pro36 L
Personal items that fit every US airline
Alaska Airlines, Delta Air Lines, Hawaiian Airlines and Southwest Airlines publish no personal item size, so they aren't part of this check.
US bag size questions
What is the standard carry-on size in the US?
22 × 14 × 9 in (56 × 36 × 23 cm). 8 of the 12 US airlines we track use it: Alaska Airlines, American Airlines, Avelo Airlines, Breeze Airways, Delta Air Lines, Hawaiian Airlines, JetBlue and United Airlines. Every airline's carry-on limit
What size is a personal item?
It depends on the airline. The most common US limit is 18 × 14 × 8 in (46 × 36 × 20 cm), used by 3 of 12 US airlines, and 4 of them publish no size at all. Every airline's personal item limit
Do airline size limits include wheels and handles?
At 31 of the 50 airlines we track, the carry-on limit says it includes wheels and handles, and 18 don't say. Sizeproof only calls a bag a fit when its outside size, wheels and handles included, is within the limit.
Is there one bag that fits every airline?
Yes: 3 carry-ons in our list fit all 50 airlines by their listed size, led by the MATEIN Carry on Backpack, Extra Large Expandable Travel Backpack. Open the finder
How up to date are these limits?
Each limit is quoted from the airline's own baggage page with the date we last confirmed it there. 46 of 50 airlines were confirmed by our weekly check; the newest check was 20 Oct 2026.
How do I check a bag I already own?
Enter its outside size, wheels and handles included, in the bag checker. It shows every airline the bag passes and how much room is left. Check a bag
Gate agents decide on the day. Use these limits to choose a bag, and confirm on your airline's page before you fly. See also carry-on size at every airline and European airlines.