Are you planning your next adventure with Southwest Airlines and wondering about the weight limit for carry-on bags? You're not alone.
Navigating airline baggage policies can be a daunting task, especially when you want to avoid extra fees or the hassle of checking a bag. But don't worry, we're here to help you out. We'll unravel the specifics of Southwest's carry-on rules, ensuring you board your flight with confidence and peace of mind.
Ready to breeze through security and enjoy a stress-free travel experience? Keep reading to find out exactly what you need to know about Southwest's carry-on weight limits.

Southwest Carry-on Policy
Southwest Airlines allows passengers to bring carry-on bags on board. Knowing their carry-on policy helps avoid surprises at the airport. This policy covers size and weight rules for your bags. It ensures your belongings fit in overhead bins or under the seat.
Size Restrictions
Southwest sets clear size limits for carry-on bags. Your bag must fit in the overhead bin or under the seat. The maximum allowed size is 10 x 16 x 24 inches. This includes wheels and handles. Bags larger than this size may need to be checked.
Weight Guidelines
Southwest does not have a specific weight limit for carry-on bags. The focus is on size rather than weight. However, your bag should be light enough for you to lift into the overhead bin. Heavy bags that cannot be safely stored may need to be checked. Keep your carry-on manageable to avoid delays and extra fees.
Comparing Airlines' Carry-on Limits
Comparing airlines' carry-on limits reveals important differences that can affect your travel plans and packing choices. Each airline sets its own rules about the size and weight of carry-on bags, which means what works for one may not work for another. Understanding these limits helps you avoid surprises at the gate and pack smarter for your trip.
Southwest Vs Other Major Airlines
Southwest Airlines stands out by not imposing a specific weight limit on carry-on bags, focusing instead on size restrictions. Your carry-on must fit in the overhead bin or under the seat, but how heavy it is won’t usually cause issues.
In contrast, many major airlines like Delta and United enforce strict weight limits, often ranging between 15 to 22 pounds. This means you might have to weigh your bag before boarding or risk paying extra fees.
| Airline | Carry-On Size Limit | Carry-On Weight Limit |
|---|---|---|
| Southwest | 10 x 16 x 24 inches | No weight limit |
| Delta | 22 x 14 x 9 inches | 15-22 lbs (varies by fare) |
| United | 22 x 14 x 9 inches | 22 lbs |
| American Airlines | 22 x 14 x 9 inches | Not officially stated but enforced on some routes |
Impact On Travelers
Knowing Southwest’s carry-on policy can save you stress and money. You don’t have to worry about weighing your bag, which is a relief if you tend to pack heavy items like books or electronics.
However, the size limit means you still need to be mindful of dimensions. Oversized bags may have to be checked, leading to unexpected fees and delays.
Would you rather carry a heavier bag without weighing it or keep your bag light to meet strict weight limits? Your choice can shape how you pack and what you bring on board.
Tips For Packing Carry-on Bags
Packing your carry-on bag efficiently can make your travel experience smoother, especially with Southwest’s specific guidelines. Smart packing not only helps you avoid extra fees but also keeps your essentials within easy reach. Here are some practical tips to help you pack like a pro.
Maximizing Space
Start by rolling your clothes instead of folding them. This small change often saves a surprising amount of space and reduces wrinkles. Use packing cubes to organize your items; they compress your belongings and make it easier to find things quickly.
Think about layering smaller items inside shoes or filling gaps with socks and accessories. This avoids wasted space and keeps your bag neat. Ask yourself: could a versatile item replace several single-purpose ones? Choosing multi-use clothing can lighten your load significantly.
Choosing The Right Bag
Select a carry-on bag that fits Southwest’s size limits but also feels comfortable to carry. Lightweight bags with sturdy handles and smooth wheels make navigating airports less tiring. Consider a bag with multiple compartments so you can separate electronics, documents, and personal items easily.
Look for bags made of durable materials that can withstand rough handling. I once had a soft-sided bag that tore during a trip, causing stress and a rushed replacement. Investing in quality pays off, especially if you travel often. What features matter most to you in a carry-on bag?

Fees And Charges
Understanding the fees and charges related to Southwest's carry-on bag policy can save you from unexpected expenses at the airport. While Southwest is known for its generous baggage allowance, there are specific rules about weight and size that you should keep in mind. Knowing these details helps you plan better and avoid last-minute hassles.
Overweight Bag Fees
Southwest Airlines allows one carry-on bag and one personal item per passenger without an extra fee, but the carry-on must fit in the overhead bin and meet size restrictions. Unlike checked bags, Southwest does not have a specific weight limit for carry-on bags. However, if your carry-on is too heavy for you to lift into the overhead bin, gate agents may require you to check it in, which could lead to checked bag fees.
Imagine carrying a heavy bag that you can't lift properly—this is often the real issue, not the weight itself. So, the best practice is to pack smart and keep your carry-on manageable. This way, you avoid the inconvenience of being forced to check your bag unexpectedly.
Checked Bag Alternatives
If your carry-on is too heavy or bulky, Southwest’s checked bag options provide a reliable alternative. Southwest allows the first two checked bags for free, each weighing up to 50 pounds. This can be a great option if you’re traveling with heavier items or longer trips requiring more gear.
Consider this: instead of struggling to keep your carry-on light, you might find it easier to check a bag and enjoy a hassle-free boarding process. Packing heavier items in checked luggage can also free up space in your carry-on for essentials you want to keep close during your flight.
Special Cases And Exceptions
Southwest Airlines generally enforces size limits for carry-on bags, but some special cases and exceptions exist. These exceptions acknowledge that certain items require unique handling beyond standard rules. Understanding these special cases can help you avoid surprises and ensure a smooth travel experience.
Medical Equipment
If you need to carry medical equipment onboard, Southwest Airlines offers flexibility. Devices like oxygen tanks, CPAP machines, or mobility aids are allowed in addition to your regular carry-on and personal item.
You don’t have to worry about strict weight limits for these items, but you should notify the airline ahead of time. This helps ensure the crew can accommodate your needs and provide any necessary assistance.
Have you ever traveled with medical equipment and faced unexpected hassles? Informing Southwest in advance can prevent this and make your journey less stressful.
Sports Gear
Sports gear often requires special consideration because it can be bulky or oddly shaped. Southwest allows some sports equipment as carry-on items if they fit within size requirements.
However, heavier or larger items like golf clubs, surfboards, or bicycles typically need to be checked. Southwest offers specific guidelines and fees for these cases, so checking their policy before packing is crucial.
If you’re carrying a small, lightweight item like a tennis racket, it might qualify as your carry-on or personal item. But what about heavier gear? Planning ahead and contacting Southwest can save you time and unexpected fees at the airport.

Frequently Asked Questions
Is There A Weight Limit For Carry-on Bags On Southwest?
Southwest Airlines does not have a specific weight limit for carry-on bags. However, passengers must be able to lift and place the bag in the overhead bin unassisted. Bags that are too heavy or bulky may be subject to additional screening or fees.
What Are Southwest's Carry-on Bag Size Restrictions?
Southwest allows carry-on bags up to 10 x 16 x 24 inches, including handles and wheels. Bags exceeding these dimensions may need to be checked and could incur fees. Always check current size policies before flying.
Can I Bring A Personal Item Along With My Carry-on On Southwest?
Yes, Southwest permits one personal item, such as a purse or laptop bag, in addition to your carry-on. The personal item must fit under the seat in front of you and not exceed 18. 5 x 8. 5 x 13.
5 inches.
Are Overweight Carry-on Bags Charged On Southwest Airlines?
Southwest does not charge fees based on carry-on bag weight. However, if your carry-on is too large or heavy to fit overhead or under the seat, you might be required to check it, potentially incurring checked bag fees.
Conclusion
Southwest Airlines does not set a specific weight limit for carry-on bags. Instead, they focus on bag size and ease of handling. Passengers should keep bags light enough to lift into overhead bins. Overpacking can slow down boarding and cause delays.
Pack smart and check the size rules before you fly. Staying within guidelines helps avoid extra fees or hassles. Travel light, stay prepared, and enjoy a smooth trip with Southwest.


