Southwest Airlines carry on bag dimensions are a common concern for travelers who want to move quickly through the airport. Understanding the exact size rules helps you avoid gate check fees and keeps your journey on track.
These guidelines explain how Southwest defines personal and boarding bags, what fits in the overhead bins, and how to measure your luggage before you leave for the airport.
| Category | Personal Item | Boarding Bag | Checked Bag |
|---|---|---|---|
| Maximum dimensions (inches) | 16 x 11 x 6 | 16 x 11 x 6 | 62 linear (L+W+H) |
| Typical weight limit | Up to 10 lbs recommended | Up to 10 lbs recommended | 50 lbs per bag |
| Fit location | Under the seat | Overhead bin | Checked at gate or tagger |
| Fees | No fee | No fee | Based on fare type and route |
Southwest Personal Item Rules and Size Limits
A personal item on Southwest must fit completely under the seat in front of you. The airline uses the same dimensional standard for both personal items and boarding bags.
Exact measurements explained
The allowed personal item dimensions are 16 inches high, 11 inches wide, and 6 inches deep. This is the outer edge to edge measurement, including wheels and handles.
Southwest Boarding Bag Requirements
Boarding bags must meet the same 16 x 11 x 6 inch limits and can be stowed in overhead bins. Passengers are responsible for fitting their own bags without gate intervention.
Overhead bin strategy
To speed up boarding, pack your boarding bag in a way that stands upright, keeps items secure, and does not block the bin entrance for other travelers. p>
Checked Bag Guidelines on Southwest
Southwest does not charge for the first two checked bags for most fares, but bags still must follow the 62 inch linear limit and weigh no more than 50 pounds.
Avoiding extra fees
Stay aware of any applicable taxes, routes, or fare restrictions that could change checked bag policies, and verify details before you reach the airport.
How to Measure Your Luggage Correctly
Measure each bag including all external parts, using a tape measure for length, width, and height. Add these three numbers to check linear inches for checked bags.
Practical measuring tips
Place your bag on a flat surface, align the tape tightly across the widest points, and round up to the nearest inch to ensure compliance.
Travel Smarter with Clear Size Knowledge
- Always measure your bag including wheels and handles to confirm personal item or boarding bag fit.
- Use a digital luggage scale to stay aware of weight limits and avoid surprises at the gate.
- Choose a packing list that fits your bag dimensions to maximize space and minimize folding errors.
- Check the latest Southwest policies before travel, especially for complex fares or international itineraries.
FAQ
Reader questions
Will a backpack that is 17 inches tall fit as a personal item?
No, it exceeds the 16 inch height limit for personal items and must be checked or downsized to meet Southwest requirements.
Can a roller bag that is 16 x 11 x 6 inches go in the overhead bin as a boarding bag?
Yes, a roller bag with those dimensions qualifies as a boarding bag and is allowed in the overhead bin if space permits.
Does the personal item limit include the wheels and handles?
Yes, the 16 x 11 x 6 inch rule includes wheels, handles, and any external attachments when measuring your bag.
What happens if my checked bag is over 62 inches but under 70 inches linear?
Bags that exceed 62 inches linear are not permitted as checked bags and must be handled as oversized or special cargo, often with additional fees or restrictions.