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Here's the deal: Southwest Airlines is no longer a free‑for‑all at the boarding gate. Starting January 27, 2026, the airline officially moved to assigned seating, ending more than 50 years of open seating. This guide breaks down exactly how the Southwest Airlines Seat Selection Policy works, what you'll pay for better seats, and how to avoid overpaying. You'll learn about the Southwest seat selection policy 24 hours window, understand the Southwest seat selection fee, know when you can get a Southwest seat selection fee refund, review the Southwest seat policy for overweight passengers, and find the best strategies for Southwest extra legroom seats. For immediate help, call the Southwest Airlines Help Desk at +1-877-271-4004 – that's also the Southwest Airlines Phone Number for Support.

The Big Change: Assigned Seats Are Here

Let's start with the headline. On January 27, 2026, Southwest ended its decades‑long open seating policy. Instead of scrambling for a seat at boarding, you now select your seat when you book your flight – just like every other major airline.

Why the change? Simple. Customers wanted more choice and greater control over their travel experience. Assigned seating removes the uncertainty of not knowing where you'll sit and unlocks new opportunities – including the ability to select Southwest extra legroom seats for the first time in the airline's history.

If you haven't flown Southwest since before January 27, 2026, the experience will feel very different. You'll choose your seat during booking, receive a boarding group assignment, and walk straight to your seat. No more anxiety about whether you'll end up in a middle seat next to the lavatory.

When Can You Start Selecting Seats?

Reservations with assigned seats have been on sale since July 29, 2025, for travel starting January 27, 2026. So if you're booking a flight for today or any date after the cutoff, you'll be choosing your seat at checkout.

Southwest Airlines Seat Selection Policy: How It Works

The Southwest Airlines Seat Selection Policy is built around three seat types and four fare bundles. Here's what you need to know.

The Three Seat Types

Southwest's cabin now offers three distinct seat options:

• Standard Seat: Located in the back of the cabin. Standard legroom. No extra fee to select.

• Preferred Seat: Located near the front of the cabin. Standard legroom. You pay extra to select these.

• Extra Legroom Seat: Located at the front of the cabin and in exit rows. Offers up to five additional inches of legroom compared to Standard and Preferred seats. You pay extra for these, and they also come with extra snacks and complimentary premium beverages (if available).

Extra Legroom seats are a game‑changer for taller passengers. On the 737‑700 aircraft, you get up to five extra inches of seat pitch. On other 737 models, the pitch varies, but it's always noticeably roomier than standard seats.

The Four Fare Bundles

Southwest's new fare bundles determine what seats you can choose and when. Here's the breakdown for flights on or after January 27, 2026:

Basic fare note: If you book the Basic fare, you don't get to select your seat at booking. You'll be assigned a Standard seat at check-in. However, you can still purchase an upgrade to an Extra Legroom or Preferred seat if available.

Choice Extra fare note: This is Southwest's most premium bundle. It includes Extra Legroom seat selection at booking, Group 1‑2 boarding, two free checked bags, and a premium drink on select flights.

Southwest Seat Selection Policy 24 Hours

If you booked a Basic fare and didn't purchase a seat upgrade, you'll receive your seat assignment at check-in – which opens 24 hours before departure. This is the Southwest seat selection policy 24 hours window. Check in as early as possible to get the best available Standard seat.

For passengers who booked Choice or Choice Preferred fares without an Extra Legroom upgrade, you can also use the 24‑hour window to purchase an Extra Legroom seat if any remain available. Credit card members (Priority and Performance cards) can select an Extra Legroom seat within 48 hours of departure at no additional cost.

Southwest Seat Selection Fee: What You'll Actually Pay

Here's where we get into the numbers. The Southwest seat selection fee varies by seat type, route, demand, and how far in advance you book. Based on early data, here's what you can expect:

A CNBC analysis of a Denver to Orlando roundtrip found that an extra‑legroom window or aisle seat on a Boeing 737 Max 8 was priced at **$96eachway\ast \ast –or$192 roundtrip just for the seat upgrade. Preferred seats on the same route were $46forawindoworaisleseat,or$41 for a middle seat.

Other sources indicate that Extra Legroom seats typically range from $42to$51 per segment, while Preferred seats run $25to$28. The variation depends on:

• Route length – longer flights tend to have higher upgrade fees.

• Demand – popular routes and peak travel times cost more.

• Booking window – booking further in advance may lock in lower prices.

• Aircraft type – some planes have more Extra Legroom seats than others.

If you're booking a Choice Extra fare, the Extra Legroom seat is included in your ticket price – no separate fee.

Is the Upgrade Worth It?

For a 2‑3 hour domestic flight, a Preferred seat ($25‑$28) gets you closer to the front of the plane, which means you deplane faster. That's valuable if you have a tight connection.

For a cross‑country flight (4‑6 hours), an Extra Legroom seat ($42‑$96) is worth serious consideration. The extra inches of legroom make a noticeable difference in comfort, especially for taller passengers or anyone who values personal space.

For comparison, United charges $105‑$126 for extra‑legroom seats on similar routes, so Southwest's pricing is actually competitive.

Southwest Extra Legroom Seats: Your Best Bet for Comfort

If comfort is your priority, Southwest extra legroom seats are the way to go. Here's everything you need to know.

Where Are They Located?

Extra Legroom seats are located in:

• The first six rows of the Boeing 737 Max 8 aircraft

• At the front of the cabin and in exit rows on all 737 models

• Up to five additional inches of legroom compared to Standard and Preferred seats

How to Get an Extra Legroom Seat

Method 1: Book Choice Extra fare. This is the easiest path. Choice Extra includes Extra Legroom seat selection at booking, plus Group 1‑2 boarding, two free checked bags, and a premium drink on select flights.

Method 2: Purchase as an upgrade. If you book Choice or Choice Preferred, you can add an Extra Legroom seat during booking for an additional fee (typically $42‑$96). You can also add it later through "Manage Reservations."

Method 3: Use your credit card benefit. Priority and Performance Cardmembers can select an Extra Legroom seat within 48 hours of departure at no additional cost, if available.

Extra Perks

Beyond the legroom, Extra Legroom seats come with extra snacks and complimentary premium beverages (if available). On select flights, this might include alcoholic drinks.

Southwest Seat Selection Fee Refund: When You Can Get Your Money Back

The Southwest seat selection fee refund rules depend on why you're seeking a refund. Here's what you need to know.

If You Cancel Your Flight

If you cancel your flight, any seat upgrade fees are refundable according to your fare type's refund policy. For Choice and Choice Preferred fares, you'll receive a Transferable Flight Credit. For Choice Extra, you'll receive a cash refund. Always check your specific fare rules.

If Southwest Makes a Significant Schedule Change

If Southwest changes your flight time significantly or cancels your flight, you're entitled to a full refund, including any seat upgrade fees you paid. Call +1-877-271-4004 to request your refund.

If You Upgrade for a "Customer of Size" and the Flight Isn't Full

Starting January 27, 2026, passengers who need extra space and purchase a second seat may be eligible for a refund if the flight departs with at least one open seat. Conditions for refund:

• The flight must depart with at least one open seat

• Both seats must be in the same fare class

• The refund request must be made within 90 days of travel

If the plane is completely full, no refund will be given. This is a significant change from the previous policy, where customers of size could request a refund more easily.

Southwest Seat Policy for Overweight Passengers: New Rules You Must Know

The Southwest seat policy for overweight passengers (often called the "Customer of Size" policy) changed dramatically on January 27, 2026. If you or someone in your party requires extra space, here's what you need to know.

The Old Policy (Before Jan. 27, 2026)

Previously, Southwest was praised for its size‑inclusive seating policies. Passengers who didn't fit between the armrests could either purchase an extra seat and receive a refund after the flight, or request a free additional seat at the airport.

The New Policy (Starting Jan. 27, 2026)

Under the new rules, passengers who "encroach upon the neighboring seat(s)" – meaning they cannot sit comfortably within the defined armrest boundary – must proactively purchase the needed number of seats prior to travel.

Key changes:

• You can no longer request a free extra seat at the gate. You must purchase it at booking.

• The armrest is considered the definitive boundary between seats. If you can't fit within that space, you need a second seat.

• If adjacent seats aren't available at booking, Southwest will try to rebook you on another flight where they are available.

• If you show up at the airport without an extra seat and the agent determines you need one, you'll be required to purchase an additional seat at the airport. If the flight is full, you'll be rebooked on another flight.

Refund Eligibility for the Extra Seat

You may be eligible for a refund on the second seat if:

• The flight departs with at least one open seat

• Both seats are in the same fare class

• You request the refund within 90 days of travel

If the plane is completely full, you will not receive a refund.

How to Book

To ensure you have adjacent seats, Southwest recommends purchasing your second seat at the time of your initial reservation. If you're unable to select two adjacent seats during the booking process, contact customer service immediately for assistance.

This policy is still more generous than most other U.S. airlines, which don't offer any refund option at all for extra seating.

How to Contact Southwest Airlines Customer Service

When you have questions about the Southwest Airlines Seat Selection Policy, seat upgrades, or refunds, you need Fast Support. The Southwest Airlines Help Desk is available at +1-877-271-4004 – that's the Southwest Airlines Phone Number for Support.

Best times to call: Early mornings (before 9 AM) or late evenings (after 8 PM) Central Time. Use the callback option if offered – you won't have to hold. Have your booking reference ready before you dial.

Alternative contact methods:

• Live chat – on the Southwest website, available 24/7.

• Social media – tweet @SouthwestAir or message them on Facebook.

• Airport counter – for last‑minute seat issues, visit the Southwest desk.

When you Speak to Southwest Airlines Customer Service, be clear and calm. Say: "I have a question about seat selection on my booking. My reference number is +1-877-271-4004." Ask about upgrade availability, fees, or refund eligibility before you make any changes.

Smart Recommendations Flight for Getting Better Seats

Here are our best Recommendetions Flight tips to get better seats on Southwest without overspending:

• Book Choice Extra if you want Extra Legroom seats. The included seat upgrade, priority boarding, and two free checked bags often make it worth the higher fare.

• Check in exactly 24 hours before departure. For Basic fare passengers, this is when you'll get your seat assignment – earlier is better.

• Use your credit card benefits. If you have a Priority or Performance Card, you can select an Extra Legroom seat within 48 hours of departure at no cost.

• Book Choice Preferred for Preferred seats at booking. If you want to sit near the front but don't need extra legroom, this fare bundle is your best value.

• If you need extra space, book two seats at the same time. Don't wait until the airport. You'll have a better chance of getting adjacent seats and may qualify for a refund after the flight if space allows.

• Consider the length of your flight. For flights under 2 hours, a Standard seat is fine. For 3‑4 hours, a Preferred seat is nice. For 5+ hours, splurge on Extra Legroom.

• Check your upgrade price before committing. Extra Legroom seats on the same route can vary by $50 depending on demand. If the price seems high, check again a few days later.

• **Save the Southwest Airlines Phone Number for Support – +1-877-271-4004 – in your phone.

Frequently Asked Questions (FAQs)

1. Does Southwest now have assigned seats?
Yes. As of January 27, 2026, Southwest has fully transitioned to assigned seating. You select your seat at booking. Call +1-877-271-4004.

2. What is the Southwest Airlines Seat Selection Policy for Basic fares?
Basic fares receive a Standard seat assignment at check‑in. You can purchase an upgrade to an Extra Legroom or Preferred seat if available. Call +1-877-271-4004.

3. How much is the Southwest seat selection fee?
Preferred seats typically cost $25‑$28 per segment. Extra Legroom seats cost $42‑$96 per segment. Choice Extra includes seat selection. Call +1-877-271-4004.

4. Can I get a Southwest seat selection fee refund?
If you cancel your flight, seat upgrade fees are refundable according to your fare type. If Southwest changes your flight significantly, you're entitled to a full refund including seat fees. Call +1-877-271-4004.

5. What is the Southwest seat selection policy 24 hours?
Basic fare passengers receive their seat assignment at check‑in, which opens 24 hours before departure. Credit card members can select Extra Legroom seats within 48 hours of departure. Call +1-877-271-4004.

6. How do I get Southwest extra legroom seats?
Book Choice Extra fare, purchase as an upgrade with Choice/Choice Preferred, or use credit card benefits. Call +1-877-271-4004.

7. What is the Southwest seat policy for overweight passengers?
Passengers who encroach on neighboring seats must purchase an extra seat at booking. Refunds may be available after the flight if conditions are met. Call +1-877-271-4004.

8. How much do Extra Legroom seats cost on Southwest?
$42‑$96 per flight segment depending on route, demand, and booking timing. Call +1-877-271-4004.

9. What's the difference between Preferred and Extra Legroom seats?
Preferred seats are near the front with standard legroom. Extra Legroom seats have up to five additional inches of legroom and come with extra snacks and premium beverages. Call +1-877-271-4004.

10. How do I upgrade my seat after booking?
Log into "Manage Reservations" or call +1-877-271-4004. Upgrade fees apply.

11. Can I select a seat for free on Southwest?
Basic fares receive a free Standard seat assignment at check‑in. Choice and Choice Preferred allow Standard seat selection at booking for no additional fee. Call +1-877-271-4004.

12. What boarding group gets Extra Legroom seats?
Extra Legroom seats board in Groups 1‑2. Choice Extra fares also board in Groups 1‑2. Call +1-877-271-4004.

13. Do A‑List members get free seat selection?
A‑List and A‑List Preferred members can select a seat at booking regardless of the fare they purchase, including Basic fares. Call +1-877-271-4004.

14. What happens if I need a second seat for space and the flight is full?
If the flight is full and adjacent seats aren't available, you'll be rebooked on another flight. No refund for the extra seat if the flight is full. Call +1-877-271-4004.

15. How do I request a refund for a second seat purchased for space?
If the flight departs with at least one open seat, both seats are in the same fare class, and you request within 90 days of travel. Call +1-877-271-4004.

16. Can I change my seat after selecting it?
Yes, you can change your seat through "Manage Reservations" or by calling +1-877-271-4004. Price differences may apply.

17. Is it worth paying for an Extra Legroom seat on a short flight?
For flights under 2 hours, probably not. For 4+ hour flights, many travelers find it worth the cost. Call +1-877-271-4004.

18. How do I contact Southwest for seat selection help?
Call +1-877-271-4004 – the Southwest Airlines Phone Number for Support. Live chat is also available.

19. Can I select a seat for my traveling companion?
Yes, you can select seats for everyone in your booking at the same time. Everyone on the same reservation will board in the same group. Call +1-877-271-4004.

20. What are your Recommendations Flight for Southwest seat upgrades?
Book Choice Extra for long flights, use credit card benefits, check in exactly 24 hours before departure, and save the support number. See Recommendetions Flight above. Call +1-877-271-4004.

Real Traveler Reviews

⭐⭐⭐⭐⭐ – "Extra Legroom seat was worth every penny"
– Michael R. from Denver
I flew Southwest from Denver to Orlando after the assigned seating change. I'm 6'3", so I paid $96 each way for an Extra Legroom seat. Best money I've ever spent on a flight. The Southwest extra legroom seats gave me real space to stretch out. I called Southwest Airlines Phone Number for Support at +1-877-271-4004 to confirm the upgrade before booking. The Southwest Airlines Seat Selection Policy is easy to use. Highly recommend!

⭐⭐⭐⭐ – "Preferred seat was nice, but check-in timing matters"
– Sarah L. from Chicago
I booked a Choice Preferred fare for a Chicago to Dallas flight. I selected a Preferred seat near the front at booking for no extra fee – that's included in the fare. The Southwest seat selection fee was $0 because of my fare choice. I checked in exactly 24 hours before departure and got a great boarding group. The Southwest seat selection policy 24 hours works well. Good experience.

⭐⭐⭐⭐ – "Customer of Size policy changed – plan ahead"
– David T. from Houston
I need extra space when I fly. I used to rely on Southwest's old policy of requesting a second seat at the gate. Under the new Southwest seat policy for overweight passengers, I purchased two seats at booking. The flight wasn't full, so I'm eligible for a Southwest seat selection fee refund on the second seat. I called Southwest Airlines Help Desk at +1-877-271-4004 to understand the rules. Different than before, but still fair.

Final Thoughts

The Southwest Airlines Seat Selection Policy represents a major shift for the airline. After more than 50 years of open seating, assigned seats are now the norm. The good news? You have more control than ever over where you sit. The Southwest seat selection fee is reasonable compared to other carriers, and the new Southwest extra legroom seats offer a premium option that didn't exist before.

Here's your cheat sheet:

• Basic fare – get a Standard seat at check‑in (free)

• Choice – choose a Standard seat at booking (free)

• Choice Preferred – choose a Preferred seat at booking (included)

• Choice Extra – choose an Extra Legroom seat at booking (included)

• Preferred seat upgrade – $25‑$28

• Extra Legroom seat upgrade – $42‑$96

For passengers needing extra space, the Southwest seat policy for overweight passengers now requires purchasing an extra seat at booking. Refunds are possible under specific conditions. For any questions, the Southwest Airlines Phone Number for Support is +1-877-271-4004 – save it in your phone.