Southwest Airlines Carry On Baggage Rules: Everything You Need to Know

When flying with Southwest Airlines, understanding the airline’s carry-on baggage rules can help ensure a smooth, stress-free travel experience. From size limitations to prohibited items, being aware of Southwest Airlines’ carry-on policies can help travelers avoid unexpected fees and delays. This guide covers everything you need to know about Southwest Airlines carry-on baggage rules.

What Are Southwest Airlines Carry On Baggage Rules?

Southwest Airlines has some of the most customer-friendly baggage policies among major U.S. airlines, allowing one free personal item and one free carry-on bag per passenger. However, it’s essential to understand the rules, sizes, and restrictions to make the most of this allowance.

1. Standard Carry-On Bag

• Size Limitations: Southwest Airlines allows one carry-on bag per passenger, which must fit in the overhead compartment. The maximum dimensions allowed for a carry-on bag are:
  • 24 inches (L) x 16 inches (W) x 10 inches (H)
• Weight Limit: Southwest Airlines does not have a specific weight limit for carry-on bags. However, travelers should be able to lift their bag into the overhead compartment without assistance.

This generous policy enables travelers to carry most essential items without worrying about additional fees or restrictions.

2. Personal Item Allowance

• In addition to the carry-on bag, passengers can bring one personal item on board, which can be placed under the seat in front of them.
• Size Limitations: The personal item must fit under the seat and should not exceed:
  • 18.5 inches (L) x 8.5 inches (W) x 13.5 inches (H)
• Examples of Personal Items:
  • Small backpacks
  • Purses
  • Laptop bags
  • Briefcases
  • Camera bags

These items must be stored securely during takeoff and landing.

3. Liquids and Gels: TSA Rules Apply

• Like all airlines, Southwest Airlines adheres to TSA’s 3-1-1 rule for liquids in carry-on bags:
  • 3.4 ounces (100 ml) or smaller containers of liquid are allowed, placed inside a one-quart clear, resealable plastic bag.
• This rule applies to toiletries, cosmetics, and other liquids that travelers may need during the flight.

4. Prohibited Items in Carry-On Bags

• Southwest Airlines follows TSA guidelines regarding prohibited items in carry-on luggage, such as:
  • Sharp objects (knives, scissors over 4 inches)
  • Firearms and ammunition (unless declared and checked)
  • Flammable items
  • Tools over 7 inches in length
• Certain sporting goods and tools are also prohibited in carry-ons, but they may be allowed in checked baggage.

5. Electronics Policy

1. Southwest Airlines allows most personal electronic devices in carry-on baggage. However, during takeoff and landing, larger electronics like laptops must be stowed securely.
2. Travelers should also consider carrying portable chargers for their devices, as in-seat charging may not be available on all Southwest flights.

6. Food and Beverages

• Food is permitted in carry-on baggage on Southwest flights, but travelers should keep in mind the liquid restrictions for items like sauces, yogurt, or beverages.
• It’s advised to pack any snacks securely to prevent spills, and to remember that some foods with high liquid content may not be allowed through security.

Benefits of Southwest Airlines Carry On Baggage Rules

Southwest Airlines’ carry-on rules are advantageous for travelers who prefer to keep their essentials with them instead of checking bags. Here are some benefits of Southwest’s carry-on baggage policy:

1. No Additional Fees: Southwest does not charge for carry-on or personal items, allowing passengers to avoid extra baggage fees.
2. Convenience: With the freedom to bring two bags on board, travelers can keep necessary items close, making it easier to access items during the flight.
3. Efficient Boarding and Disembarking: A carry-on-only approach can save time waiting for checked bags after landing.

Tips for Packing Within Southwest Airlines Carry On Baggage Rules

To maximize Southwest Airlines’ carry-on baggage allowance, consider the following tips:

1. Use Packing Cubes: Packing cubes help you organize clothing and essentials in a compact way, maximizing space within the carry-on.
2. Pack Travel-Size Toiletries: Following the 3-1-1 rule, pack travel-size toiletries to ensure they fit within the liquid restriction and to save space.
3. Roll, Don’t Fold: Rolling clothes instead of folding them can save space and help prevent wrinkles.
4. Wear Bulky Items: If you’re traveling with heavy or bulky clothing, consider wearing these items during the flight to free up space in your carry-on bag.
5. Consider Compression Bags: Compression bags can be helpful for bulky items like jackets or sweaters, allowing you to maximize available space in your carry-on.

Special Situations and Exceptions

Southwest Airlines understands that some passengers may have unique needs, and they offer a few exceptions to their carry-on policies:

• Medical Equipment: Passengers are allowed to carry medical equipment in addition to their carry-on and personal items, such as oxygen containers or CPAP machines, provided they meet TSA regulations.
• Assistive Devices: Canes, crutches, walkers, and other assistive devices are allowed as additional items at no extra charge.
• Child Safety Seats: For travelers with young children, car seats and strollers may be checked at no cost or brought as additional items if they meet size requirements.

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Frequently Asked Questions about Southwest Airlines Carry On Baggage Rules

Q: Can I bring a backpack as a personal item?
A: Yes, a small backpack that fits under the seat in front of you qualifies as a personal item.

Q: What happens if my carry-on exceeds Southwest Airlines’ size limits?
A: If your carry-on bag exceeds the maximum size limits, it may need to be checked at the gate. Southwest does not charge for the first two checked bags, so you may not incur extra fees if you stay within the free checked baggage allowance.

Q: Are there any fees associated with carry-on baggage on Southwest Airlines?
A: Southwest Airlines allows one carry-on bag and one personal item for free, with no additional fees for these items.

Q: Can I bring liquids like water or juice on a Southwest flight?
A: Liquids over 3.4 ounces are generally not allowed through TSA security. However, travelers can purchase beverages after passing through security to bring on board.