What Is The TSA Carry On Size?

Last Updated on April 11, 2021

The TSA has a whole list of rules about what you can and can’t put into your carry-on luggage to bring through the airport security checkpoint.

So it’s natural to think that the TSA also regulates the size of carry-on bags.

But they don’t.

Because it’s not their job.

The Transportation Security Administration are not responsible for checking the size of your carry-on bag.

The only bag that the TSA monitors for size is the quart-size toiletries bag.

When the TSA screen baggage they are looking for weapons and explosives. It’s their job to protect the public against security threats.

The size of carry-on bags is not a threat to public safety and so there is no such thing as “TSA approved” carry on size.

Who Does Regulate Carry On Size Limits?

Carry-on size limits are not standardized in any way. Instead each airline sets their own carry-on size limit.

The only industry-wide limit is that the Federal Aviation Administration (FAA) requires all hand luggage to either fit in the overhead bin or under the seat.

The plane isn’t allowed to take off until a crew member has indicated that all luggage is properly stored.

So the size of the overhead bins creates a limit on the maximum carry-on luggage size.

Some airlines like Southwest allow large bags 24 x 16 x 10 inches.

The most common size limit in the U.S. is 22 x 14 x 9 inches. Alaska, American Airlines, Delta, Hawaiian, JetBlue, and United all use 22 x 14 x 9 inches carry-on luggage size restrictions.

And some low-cost airlines don’t even allow a carry-on bag at all but only permit an under-seat personal item. Personal item size is not standardized either and varies depending on the airline you are flying with.

Adherence to these carry-on size limits is enforced by the airline staff, not the TSA. This usually takes place at the boarding gate. If your carry-on bag is suspected to be oversize the airline gate agent might ask you to check the size of your carry-on bag by placing it in the sizer frame.

If your bag doesn’t fit them you will be made to check your bag and this often involves paying a checked baggage fee.

While there is no standard size limit many of the airlines in the United States have adopted the same size limit. 22 x 14 x 9 inches is becoming something of a defacto standard carry-on size limit but the TSA has nothing to do with it.

Internationally there are quite a lot of different carry-on luggage size limits. You also need to watch out for weight limits.

This table has carry-on size limits for most of the world’s airlines. You can filter by region or size. Links are provided if you wish to check the airline website.

Airline Carry On Size Limits (Not the TSA)

AirlineLxWxHlbsNotes
AEGEAN903722 x 17.7 x 9.82217.79.817.6GreeceEuropeAegean usually allows a carry-on and a personal item (a handbag or a thin laptop case) in the cabin. This has been limited to one item due to COVID-19 safety concerns. So you can currently take either a carry-on or a personal item in the cabin but not both.
Aer Lingus903821.5 x 15.5 x 9.521.515.59.522Republic of IrelandEuropeAer Lingus also allows a personal item that can be 13 x 10 x 8 inches (33 x 25 x 20 cm) such as a small handbag, laptop bag, or baby changing bag.
Aeroflot903921.5 x 15.7 x 9.821.515.79.822RussiaEuropeAeroflot also permits a personal item that can not be more than 80 linear cm (L+W+H) and weighs no more than 5 kg. For example a rucksack, or a handbag, or a briefcase.
Aerolineas Argentinas913421.6 x 13.77 x 9.8421.613.779.8417.6ArgentinaSouth AmericaYou can also bring a personal item that can be 40 x 30 x 15 cm and 3 kg. Note: If you bought a PROMO family fare to fly within Argentina, you are only allowed to carry the personal item. You do not have a 55x35x25 bag included.
Aeromexico901821.5 x 15.7 x 1021.515.71022MexicoNorth AmericaAeromexico also allows 1 personal item. They don't specify the size but it should fit under the seat. The weight limit of 22 lbs if for the carry on and personal item combined.
Air Canada900021.5 x 15.5 x 921.515.59--CanadaNorth AmericaAir Canada also allows one personal item that can be 17 x 16 x 13 inches.
Air China913821.6 x 15.7 x 7.8721.615.77.8711ChinaAsiaNo mention of any personal item.
Air Corsica904021.6 x 13.77 x 9.821.613.779.817.6FranceEuropeAir Corsica also allows "possibly one or two accessories such as: a handbag or briefcase, a film camera, a camera, a small portable computer or item the same size or smaller". The weight limit for carry on luggage is 12 kg if you are flying on one of their larger Airbus A320's. On smaller aircraft, you maybe be asked to gate check your carry-on. Make sure you have a bag to transfer your valuables into if you don't want them going into the hold.
Air Europa904121.6 x 13.77 x 9.821.6513.779.822SpainEuropeAir Europa also allows a personal item that can be 35 x 30 x 20 cm
Air France904221.6 x 13.77 x 9.821.613.779.826FranceEuropeAir France also allows a personal item that can be 16 x 12 x 6 inches.
Air India913922 x 14 x 1022141017.6IndiaAsiaYou may also bring a personal item such as a laptop, briefcase, or handbag.
Air Malta904321.6 x 15.7 x 9.821.615.79.822MaltaEuropeAir Malta also allows a personal item that can be 40 x 30 x 15 cm and 2 kg.
Air New Zealand916446.5 linear inches15New ZealandOceaniaEconomy fares can also bring one small item, like a handbag or thin laptop.
Air Tahiti916517 x 13 x 71713711French PolynesiaOceania
Air Tahiti Nui916645 linear inches22French PolynesiaOceaniaIn addition to this allowance, a personal item such as briefcase, laptop computer, or purse is authorized and should not weigh more than 3kg.
AirAsia913722 x 14 x 92214915MalaysiaAsiaYou may also carry one personal item which must not exceed 40cm x 30cm x 10cm. The total weight for 2 bags must not exceed 7 kg.
Alaska Airlines901522 x 14 x 922149--United States of America USANorth AmericaYou can also take one personal item such as a purse, briefcase, or laptop. Alaska is unclear about their personal item size limit. Customer service on Twitter twice responded that the personal item can be the same size as the carry on i.e. 22 x 14 x 9. But they also reply that it needs to fit under the seat and suggest that the space under the seat is 17 x 11 x 9.5 inches.
Alitalia904621.6 x 13.77 x 9.821.613.779.817.6ItalyEuropeYou can also bring a personal item that must go under the seat it can be 45 x 36 x 20 cm
All Nippon Airways ANA914022 x 16 x 1022161022JapanAsiaYou can bring "personal belongings" such as a handbag, camera or umbrella. No mention of larger personal items such as laptops, backpacks, or briefcases.
Allegiant902116 x 15 x 716157--United States of America USANorth AmericaTo bring a carry-on with Allegiant you need to pay extra. Fees vary $10 - $75. The carry-on size is 22 x 14 x 9 inches (55.9 x 35.6 x 22.9) should you choose to pay for it.
Asiana Airlines914121.6 x 15.7 x 7.8721.615.77.8722South KoreaAsiaYou may take one of the following items into the cabin, in addition to your carry-on baggage. Small briefcase, Handbook, Laptop computer, Book, Small duty-free item.
Atlantic Airways904721.6 x 15.7 x 9.821.615.79.817.6Faroe IslandsEuropeCarry-ons might be gate checked so be ready to transfer valuables to a smaller bag. Atlantic also mention a laptop bag but don't mention other types of personal item such as a handbag or briefcase.
Aurigny904821.6 x 14.17 x 7.8721.614.177.8722GuernseyEuropeYou can take second bag to put under the seat it should be 35x25x20cm the combined weight of your 2 bags should not be more than 10 kg.
Austrian Airlines904921.6 x 15.7 x 921.615.7917.6AustriaEuropeIn addition to your item of hand luggage, you may also take one additional personal item with a maximum size of 40 x 30 x 10 cm.
Avianca913521.6 x 13.77 x 9.8421.613.779.8422ColumbiaSouth AmericaYou can also being a personal item. It can be a wallet, a backpack or a bag to carry your laptop. You can also take your coat, hat, camera or items with non-flammable gases (balls, floats). Remember that these items should not make other passengers uncomfortable and should be sized to fit under the front seat.
Bahamasair902222 x 14 x 92214920The BahamasNorth AmericaYou can also take a personal item like a purse, briefcase, laptop, or umbrella. The size is not specified.
Bangkok Airways914222 x 14 x 92214911ThailandAsiaIf you are flying on type ATR72 aircraft the cabin bag size is smaller at 50 x 36 x 23. No mention of taking an additional under-seat personal item.
Belavia905021.6 x 15.7 x 9.821.615.79.822BelarusEuropeYou can also take a personal item like a handbag or briefcase. The weight should not exceed 5 kg, the dimensions should not exceed 40 x 30 x 10 cm
Blue Panorama905121.6 x 15.7 x 7.8721.615.77.8722ItalyEuropeNo mention of handbags, briefcases, or laptops.
British Airways890222 x 18 x 1022181051United Kingdom UK EuropeYou can also bring a personal item such as a handbag or laptop bag that can be 40 x 30 x 15 cm (16 x 12 x 6 inches) and have a maximum weight of 23 kgs (51 lbs).
Brussels Airlines905221.6 x 15.7 x 921.615.7926BelgiumEuropeYou can also take a personal item that can be 40 x 30 x 10 cm like a handbag or a briefcase.
Cape Air902636 linear--United States of America USANorth AmericaMost Cape Air flights don't allow a carry-on in the cabin. They allow a carry-on size bag that must be gate-checked where the sum of length + width + height must be 45 linear inches or under. Hand luggage that you can take into the cabin is limited to 36 linear inches.
Caribbean Airlines902722 x 14 x 92214922Trinidad and TobagoSouth AmericaThey also allow a personal item that can be 17 x 13 x 6 inches.
Carpatair905321.6 x 15.7 x 7.8721.615.77.8711RomaniaEuropeNo mention of a personal item.
Cathay Pacific914322 x 14 x 92214915Hong KongAsiaYou can also bring 1 small personal item than can be 40 x 30 x 15 cm (16 x 12 x 6 inches)
Cayman Airways902324 x 16 x 11241611--Cayman IslandsNorth AmericaYou can also bring one small personal article such as a briefcase, purse, day planner, or small laptop.
Cebu Pacific914422 x 14 x 1022141015.4PhilippinesAsiaParents with infants and persons with disabilities may bring one extra personal bag not exceeding 35cm x 20cm x 20cm. For all other passengers, no 2nd bag is allowed.
China Southern Airlines914545 linear inches11ChinaAsiaThe sum of length + width + height must not be more than 115 cm or 45 inches. You can bring the following personal items: A coat, shawl, or rug. An umbrella or cane. A small camera. A pair of binoculars. A reasonable amount of reading materials. A handbag.
Condor905415.74 x 11.8 x 3.9315.7411.83.9317.6GermanyEuropeCondor don't allow a carry-on with their cheapest Economy Light ticket. The size listed is for their personal item. You can add a carry-on size bag (55 x 40 x 20 cm) but it costs 10 euros. The weight limit of 8 kg is for both the carry-on and the personal item combined.
Copa Airlines902522 x 14 x 1022141022PanamaNorth AmericaCopa also allows you to bring a personal item such as purse, laptop, or small backpack. The size is not specified.
Corsair905521.6 x 15.7 x 7.8721.615.77.8726.4FranceEuropeFor the comfort and safety of all, you are only entitled to one piece of cabin luggage. An under-seat bag can be 33 x 25 x 20 cm.
Croatia Airlines905621.6 x 15.7 x 7.8721.615.77.8717.6CroatiaEuropeYou can also bring a personal item that can be 40 x 30 x 10 cm.
Cubana902445 linear inches11CubaNorth AmericaYour carry on needs to have a label on it. The sum of length + width + height must not be more than 45 inches. Note the restrictive weight limit.
Czech Airlines905721.6 x 17.7 x 9.8421.617.79.8417.6CzechiaEuropeThe cheapest ticket Economy Lite does not permit a personal item. Economy Plus includes a personal item that can be 40 x 30 x 15 cm and 3 kg.
Delta888322 x 14 x 922149--United States of America USANorth AmericaDelta also allows you to take a personal item like a purse, briefcase, small backpack, laptop, or a camera bag. They don't specify a size limit for personal items but it must fit under the seat.
Easyjet905822 x 17.7 x 9.82217.79.8--United Kingdom UK EuropeThe basic ticket does not include a personal item. Flexi, Upfront, Extra Legroom customers and easyJet Plus cardholders can bring an additional under seat bag like a laptop bag or handbag. Maximum size 45x36x20cm.
EgyptAir9171EgyptAfricaEgyptAir have different rules depending on what country you are flying from. At UK airports they mention 58 x 45 x 25 cm. For South African airports they mention 56 x 36 x 23 cm and a 7kg weight limit. You should contact Egypt air directly with details of your flight.
El Al914622 x 17.7 x 9.842217.79.8417.6IsraelAsiaYou can also bring a personal item than can be 38 X 30 X 18 cm
Emirates914721.6 x 14.96 x 7.8721.614.967.8715.4United Arab EmiratesAsiaEconomy Class passengers are not permitted a 2nd bag. First Class & Business Class get a personal item that can be 45 x 35 x 20cm.
Ethiopian Airlines917221.6 x 15.7 x 921.615.7915EthiopiaAfricaYou can also bring a small personal item such as a handbag or laptop bag.
Etihad Airways914821.6 x 14.96 x 7.8721.614.967.8715United Arab EmiratesAsiaEconomy Class passengers are only permitted 1 bag. First Class and Business Class passengers can also bring a 45 x 35 x 20 cm personal item.
Eurowings910421.6 x 15.7 x 921.615.7917.6GermanyEuropeFoldable garment bags may measure up to 57 x 54 x 15 cm. You may be forced to gate check your carry on. Pack a foldable daypack so you will be able to remove any valuables so they won't go in the hold.
EVA Air914922 x 14 x 92214915TaiwanAsiaYou can also bring a personal item that can be 40 x 30 x 10 cm (16 x 12 x 4 inches)
Fiji Airways916721.6 x 15.7 x 921.615.7915FijiOceaniaEach customer is permitted one small personal item, such as a laptop or purse, in addition to their Cabin Baggage allowance.
Finnair910521.6 x 15.7 x 921.615.7917.5FinlandEuropeEconomy passengers can also bring one personal item such as a small handbag, a small laptop bag or a small backpack, maximum dimensions (length x width x height) 40 cm x 30 cm x15 cm (16 in x 12 in x 6 in)
Frontier901618 x 14 x 818148--United States of America USANorth AmericaFrontier doesn't include a carry on in their basic fare. The sizes listed are for your personal item which must go under the seat. You can pay extra ($30 to $60) to take a carry-on and it can be 24 x 16 x 10 inches and must be under 35 lbs.
Garuda Indonesia915022 x 14 x 92214915.4IndonesiaAsia"In addition, you can bring cosmetic box or laptop."
Hawaiian Airlines902022 x 14 x 92214925United States of America USANorth AmericaHawaiian Airlines also allows you to bring a personal item to put under the seat.
Helvetic910621.6 x 15.7 x 7.8721.615.77.8711SwitzerlandEuropeHelvetic allows a free checked bag that can be 23 kg. Carry on luggage is limited to 5 kg. You can also bring a laptop bag or handbag as a personal item. No size or weight is specified for this personal item.
Iberia910722 x 15.7 x 9.82215.79.822SpainEuropeIberia also allows you to take a personal item that must fit under the seat 40 x 30 x 15 cm. The combined weight of your personal item and carry on must not exceed 10 kg.
Icelandair910821.6 x 15.7 x 7.8721.615.77.822IcelandEuropeYou can also bring a small personal item that can be 40 x 30 x 15 cm and should fit under the seat.
Japan Airlines915122 x 16 x 1022161022JapanAsiaYou may also carry a personal item (shopping bag, handbag, etc.).
Jet2910922 x 17.7 x 9.82217.79.822United Kingdom UK EuropeYou can also bring a small, personal item on board (such as a handbag, laptop bag or airport purchase), as long as it is placed underneath the seat in front of you.
JetBlue901922 x 14 x 922149--United States of America USANorth AmericaJetBlue also allows a personal item 17 x 13 x 8 inches.
Jetstar916822 x 14 x 92214915AustraliaOceaniaYou can also bring 1 small item to fit under the seat in front such as a handbag or laptop.
Jettime911121.6 x 15.7 x 7.8721.615.77.811DenmarkEuropeNo mention of a personal item.
Kenya Airways917321.6 x 13.77 x 9.821.613.779.826KenyaAfricaYou can also bring a personal item that can be 40 x 30 x 15 cm
KLM911221.5 x 13.5 x 1021.513.51026The NetherlandsEuropeYou can also bring 1 accessory, e.g. a handbag, briefcase or laptop, max. 40 x 30 x 15 cm (16 x 12 x 6 inch). The combined weight of carry on and accessory must not exceed 12 kg.
Korean Air915321.6 x 15.7 x 7.8721.615.77.8722South KoreaAsiaOne additional personal carry-on item — laptop, briefcase, handbag — is permitted for Economy Class. (Total weight of carry-on bag and additional allowance should not exceed 10kg.)
LATAM Airlines913621.6 x 13.77 x 9.8421.613.779.8422ChileSouth AmericaYou can also bring a personal item. It can be a purse, a laptop bag, or a diaper bag. You should place this item under the seat in front of you. 45 x 35 x 20 cm (18 x 14 x 8 inches)
LOT Airlines911321.6 x 15.7 x 921.615.7917.6PolandEuropeYou can also bring a personal item such as a handbag or men's bag or laptop (max. 2 kg, dimensions 40 cm x 35 cm x 12 cm).
Lufthansa911421.6 x 15.7 x 921.615.7917.6GermanyEuropeYou can also bring a personal item that can be 40 x 30 x 10 cm such as a handbag or laptop bag.
Luxair911521.6 x 15.7 x 921.615.7917.6LuxembourgEuropeYou can also bring 1 small personal item.
Malaysia Airlines915421.6 x 13.77 x 9.821.613.779.815MalaysiaAsia
Norwegian911614.96 x 11.8 x 7.8714.9611.87.8722NorwayEuropeThe cheapest fare on Norwegian (LowFare) only includes an underseat bag allowance. If you upgrade your ticket to LowFare+ you will also be allowed to bring an additional carry on that can be 55 x 40 x 33 cm. LowFare+ costs around £5 to £9 more than the basic LowFare.
Olympic Air911821.6 x 15.7 x 921.615.7917.6GreeceEuropeOn the cheapest 'light fare' passengers can bring either a personal item bag or a carry on bag. They cannot bring both. Hence if you want to bring 2 bags you must upgrade your ticket to Flex & ComfortFlex Fare or business class.
Oman Air915545 linear inches15OmanAsia
Pegasus Airlines911921.6 x 15.7 x 7.8721.615.77.8717.6TurkeyAsiaPegasus also allow one personal item that can be 35 cm x 20 cm x 20 cm and 3 kg.
Philippine Airlines915622 x 14 x 92214915PhilippinesAsiaPassengers can also bring a personal item.
Qantas916922 x 14 x 92214915AustraliaOceaniaBeware Qantas has Dash 8 domestic flights that don't permit a full-size carryon. In addition to your carry-on baggage allowance, you may also carry onboard one small personal item such as a handbag, laptop computer*, overcoat, small camera, a reasonable amount of reading material or a small amount of duty free goods (where permitted).
Qatar Airways915719.68 x 14.56 x 9.8419.6814.569.8415QatarAsiaYou can also carry personal items such as one ladies handbag or one small briefcase
RavnAir Alaska901716 x 14 x 91614920United States of America USANorth AmericaRavnAir Connect have an even stricter weight limit of 10 lbs.
Royal Air Maroc917421.6 x 15.7 x 7.8721.615.77.8722MoroccoAfricaNo mention of a personal item.
Royal Jordanian915820 x 16 x 92016915JordanAsiaPassengers can also bring a personal item.
Ryanair912015.74 x 9.84 x 7.8715.749.847.87--IrelandEuropeRyanair only permits a small under-seat bag on it's cheapest fare. If you wish, you can upgrade your ticket (cost €6-€14) to also include a carry on bag that is 55 x 40 x 20 cm and 10 kg. There is no weight limit for the under-seat bag. The larger cabin bag may still be gate checked if they don't have enough room on the plane.
Saudia915922 x 18 x 1022181015Saudi ArabiaAsiaYou can also bring a personal item.
Scandinavian Airlines912121.6 x 15.7 x 921.615.7917.6SwedenEuropeYou can also bring a personal item that can be 40 cm x 30 cm x 15 cm.
Singapore Airlines916045 linear inches15SingaporeAsiaYou can also bring a personal item that can be 40 x 30 x 10 cm
Smartwings912222 x 17.7 x 9.82217.79.817.6CzechiaEuropeThe cheapest 'Economy Lite' fare does not include a personal item allowance. More expensive fares also include a personal item that can be 40x30x15 cm and 3 kg.
South African Airways917522 x 14 x 92214917.63South AfricaAfricaYou can also bring one small personal item.
Southwest901324 x 16 x 10241610--United States of America USANorth AmericaIn addition to your carry on you are able to take a personal item that can be 18.5 x 8.5 x 13.5 inches.
Spirit901218 x 14 x 818148--United States of America USANorth AmericaSpirit doesn't allow a carry on in their basic ticket price only an under-seat size personal item. You can pay extra to have a carry on that is 22 x 18 x10 inches (56 x 46 x 25 cm) including handles and wheels. The price ranges from $20 to $60 depending on how you book.
SriLankan Airlines916122 x 14 x 92214915Sri LankaAsiaYou can also bring a personal item.
SunExpress912321.6 x 15.7 x 7.821.615.77.813TurkeyEuropeYou can bring a personal item such as a handbag, coat, jacket, scarf, camera (laptop not mentioned).
Swiss Air Lines912421.6 x 15.7 x 921.615.7917.6SwitzerlandEuropeYou can also bring one personal item i.e. a handbag, laptop bag or shoulder bag (max. 40 x 30 x 10 cm)
TAP Air Portugal912522 x 16 x 82116817PortugalEuropeYou can also bring 1 personal item up to 2 Kg / 40x30x15 cm / 16x12x5 in.
TAROM912621.6 x 15.7 x 7.8721.615.77.8722RomaniaEuropeYou can also bring a personal item. If you are flying on the smaller aircraft you will only be able to bring an under-seat bab which can be 35x 30 x 20cm
Thai Airways916222 x 18 x 1022181015ThailandAsiaYou can also bring a personal item that can be 15 x 10 x 5 inches (37.5 x 25 x 12.5 cm) and maximum weight 3.3 lbs (1.5 kg)
TUI Airways912721.6 x 15.7 x 7.8721.615.77.8722United Kingdom UK EuropeYou cannot take a personal item. Any 2nd bags such as handbags, briefcases, or laptop bags must fit inside your one cabin bag.
TUI fly Belgium911021.6 x 15.7 x 7.8721.615.77.822BelgiumEuropeNo mention of a personal item.
TUI fly Deutschland912821.6 x 15.7 x 7.8721.615.77.8713GermanyEuropeYou can also bring a small personal item.
Turkish Airlines912921.6 x 15.7 x 921.615.7917.6TurkeyAsiaYou can also bring a personal item that can be 40 x 30 x 15 cm and 4 kg.
Ukraine International Airlines UIA913021.6 x 15.7 x 7.8721.615.77.8715UkraineEuropeOn short-haul flights, the economy fare does not include a personal item. On long haul flights, you can also bring a small under-seat bag that can be 40 x 30 x 10 com.
United888722 x 14 x 922149--United States of America USANorth AmericaUnited also allows a personal item that can be 17 x 10 x 9 inches.
Vietnam Airlines916322 x 14 x 92214926VietnamAsiaPassengers can also bring a personal item that must not exceed 40cm x 30cm x 15cm or 16in x 12in x 6in.
Virgin Atlantic913122 x 14 x 92213922United Kingdom UK EuropeIn addition, you can bring a personal item such as... "your handbag, small backpack/rucksack, pocketbook or purse, as you would normally use it (in other words, not just being used to contain items that would otherwise be regarded as baggage"
Virgin Australia917022 x 14 x 92214915AustraliaOceaniaPassengers also have the option to bring 2 smaller bags 48 x 34 x 23 cm instead of the full size carry on. Regardless of which option you choose you can bring a small personal item like a laptop bag, handbag, or purse.
Vueling913221.6 x 15.7 x 7.8721.615.77.8722SpainEuropeYou can also carry another smaller bag or case measuring no more than 35x20x20 cm.
WestJet901421 x 15 x 921159--CanadaNorth AmericaYou can also take a personal item that is 16 in. x 13 in. x 6 inches. You must be able to lift your carry on bag into the overhead bin.
Wizz Air913315.74 x 11.81 x 7.8715.7411.817.8722HungaryEuropeTo bring a larger carry-on bag as hand luggage (55 x 40 x 23 cm) you must purchase WIZZ Priority.

The Bottom Line

The TSA are responsible for protecting the public from security threats. When they screen luggage they are searching for explosives or weapons.

Frankly, making sure that your luggage isn’t a half inch too big is below their station. They are involved in the much more serious work of protecting you from terrorist attacks.

Instead of the TSA, it is each airline that sets its own carry-on luggage size limit. There is no standardized carry-on luggage size limit.

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