Standard checked luggage size limits across major carriers

Most U.S. airlines allow one checked bag up to 62 inches when you add the length, width, and height together. That translates to roughly 29 inches long, 21 inches wide, and 12 inches deep — the size of a standard large rolling suitcase. Weight limits are usually 50 pounds for the first checked bag, though some airlines charge extra if you go over.

The exact dimensions and weight vary by airline. American, Delta, Southwest, and United all use the 62-inch rule and 50-pound weight limit for at least one free checked bag. Budget carriers like Frontier and Spirit often charge for checked luggage or have stricter limits, sometimes 55 inches and 40 pounds. International airlines may differ; many European and Asian carriers use similar 62-inch limits but measure in centimeters or have different weight allowances.

If your bag is larger than the standard limit, the airline will either charge an oversized fee (typically $75 to $150 per bag) or refuse to check it. Some airlines won't accept bags over 80 inches at all, regardless of price. Checking your specific airline's policy before you pack saves time at the airport.

Key Takeaways

  • Standard checked luggage cannot exceed 62 inches in total dimensions (length plus width plus height) on most major U.S. airlines.
  • Weight limits are usually 50 pounds for the first checked bag, with overweight fees kicking in above that threshold.
  • Budget airlines often charge for checked bags or enforce stricter size and weight rules, so verify your carrier's policy before packing.
  • Bags larger than 62 inches may incur oversized fees of $75 to $150, or the airline may refuse to accept them entirely.
  • International flights may have different size and weight limits depending on the airline and destination region.

How airlines measure your bag

Airlines measure checked luggage by adding the length, width, and height of the bag together — not by volume or weight alone. A standard rolling suitcase that is 29 inches tall, 21 inches wide, and 12 inches deep totals 62 inches. If your bag is 30 inches tall, 22 inches wide, and 12 inches deep, it totals 64 inches and exceeds the limit.

The measurement includes any handles, wheels, or pockets that stick out. A bag with a protruding handle or expandable sides may measure larger when fully extended. If you are close to the limit, keep the bag unexpanded and pack handles flat to stay under the threshold.

Airlines do not always measure every bag at check-in. If your suitcase looks reasonable in size, staff may wave it through. However, if it appears oversized or the airline is enforcing limits strictly that day, they will measure it. Packing within the stated dimensions removes the guesswork.

Weight limits and overweight fees

The first checked bag on most airlines is free up to 50 pounds. Bags weighing 51 to 70 pounds usually cost $100 to $150 extra. Bags over 70 pounds are often refused entirely, or charged at the highest rate. Some airlines allow a second checked bag for a fee (typically $35 to $50), which also has a 50-pound limit.

Budget carriers handle weight differently. Frontier charges $35 for the first checked bag and $45 for the second, both with 40-pound limits. Spirit charges $30 for the first bag at 40 pounds. If you exceed the weight limit on a budget airline, the per-pound overage fee can add up quickly — sometimes $1 to $2 per pound above the threshold.

Weighing your bag at home before you leave prevents surprises at the airport. Most luggage stores and many grocery stores have scales. If you are over the limit, remove items or redistribute weight across multiple bags if you are allowed to check more than one.

Oversized and extra-large bag fees

Bags that exceed 62 inches but stay under 80 inches are usually charged an oversized fee rather than refused. This fee ranges from $75 to $150 per bag depending on the airline. American Airlines charges $150 for bags over 62 inches up to 80 inches. Delta charges $150 for the first oversized bag and $200 for a second.

Bags over 80 inches are almost always refused, even if you pay the fee. Airlines consider them too large to fit in the cargo hold safely. If you need to travel with something larger than 80 inches — such as a bicycle, surfboard, or sports equipment — you must use a specialty shipping service or pack the item in a bag that breaks down into smaller pieces.

Some airlines offer exceptions for specific items like golf clubs, skis, or musical instruments, which may have their own size and fee rules. Check your airline's website for sports equipment policies before you pack.

Differences between airlines and ticket types

Basic economy or "basic" fares on some airlines do not include a free checked bag. American, United, and Delta all charge $35 to $40 for the first checked bag on basic economy tickets, though the size limit remains 62 inches and 50 pounds. If you buy a higher fare class, checked bags are usually free.

Southwest is an exception: all passengers get two free checked bags regardless of fare type, as long as each bag is within the 62-inch and 50-pound limits. This makes Southwest a good choice if you travel with multiple large bags.

Frequent flyer status can also affect checked bag allowances. Elite members on most airlines receive free checked bags even on basic economy fares. If you fly the same airline regularly, check whether your status level includes checked bag benefits.

International airline size and weight rules

International carriers often use different measurement systems and weight limits. Many European airlines, including Lufthansa and Air France, allow checked bags up to 23 kilograms (about 50 pounds) and measure dimensions in centimeters. Some Asian carriers like Singapore Airlines and Cathay Pacific allow up to 30 kilograms (66 pounds) for business class but 23 kilograms for economy.

The 62-inch rule is common on transatlantic and transpacific flights operated by U.S. carriers, but always verify with your specific airline before packing. Some international routes have stricter limits, especially on smaller regional aircraft. If you are flying to or from another country, check the airline's website or call to confirm size and weight rules.

Baggage allowances can also vary by route. A flight from New York to London may have different rules than a flight from New York to Tokyo on the same airline. When you book, the airline usually shows baggage allowances in your confirmation email or booking page.

What happens if your bag is too big or too heavy

If your bag exceeds the size or weight limit at check-in, you have a few options. You can pay the oversized or overweight fee on the spot if the airline offers one. You can remove items and repack into a smaller bag or carry-on if space allows. You can also ask the airline to refuse the bag and ship it separately, though this is rarely practical.

Some travelers try to avoid fees by moving items to a carry-on bag at the counter. This works only if you have not already checked a carry-on and the airline allows a second personal item. Most airlines limit carry-on to one rolling bag plus one small personal item, so this option is limited.

The best approach is to measure and weigh your bag before you arrive at the airport. If it is over the limit, you have time to adjust at home rather than paying a fee or dealing with delays at the gate.

Frequently Asked Questions

Can I bring a bag larger than 62 inches if I pay extra?

Bags between 62 and 80 inches can usually be checked for an oversized fee of $75 to $150, depending on the airline. Bags over 80 inches are almost never accepted, even with payment. Check your airline's policy before packing anything larger than standard size.

Do soft-sided bags measure differently than hard-sided suitcases?

Airlines measure both soft and hard bags the same way: length plus width plus height. A soft bag that expands when full may measure larger than when empty. Pack it fully to see its true dimensions, then measure to confirm it stays under the limit.

What if my bag has wheels and handles that stick out?

Wheels and handles count toward the total measurement. If your bag is close to the 62-inch limit, retract or fold the handle and account for the wheel depth when you measure. Some bags are designed with wheels that do not add much to the overall size.

Are there items that do not count toward checked baggage limits?

Most airlines allow one personal item (purse, backpack, or laptop bag) free in addition to checked and carry-on bags. Sports equipment like golf clubs or skis may have separate allowances. Check your airline's website for exceptions specific to what you are traveling with.

Do I need to pay for a second checked bag if the first one is under the weight limit?

Most airlines charge $35 to $50 for a second checked bag, regardless of the weight of the first bag. Southwest includes two free checked bags for all passengers. Budget airlines charge for each checked bag separately. Your ticket confirmation or airline website shows how many free checked bags you get.