Last Updated on June 20, 2026 by Daniel Globe
What’s in This Article
- What Does Southwest Online Check-In Actually Do Now?
- When Should You Check In for a Southwest Flight?
- What Do Southwest’s Boarding Groups Mean?
- How Do You Check In on the App or Website?
- What Are Southwest’s Seat Types, and How Are They Assigned?
- How Does Digital Bag Tracking Work After Check-In?
- What Do You Get After Checking In?
- Frequently Asked Questions
Southwest used to reward fast fingers. Check in a few minutes late, and you could end up boarding last with whatever seat was left. That race ended on January 27, 2026, when Southwest switched to assigned seating and a new group-based boarding system. Here’s what online check-in actually does for you now, and how to use it well.
Quick Answer
Southwest online check-in still opens 24 hours before your flight, but it no longer decides your boarding position. Since January 27, 2026, your boarding group (1 through 8) is set mainly by your fare type, seat choice, and loyalty status, most of which you lock in when you book. Check-in mainly gets you your boarding pass and, if you booked a Basic fare, your seat assignment. EarlyBird Check-In is gone; a paid Priority Boarding add-on now guarantees you board ahead of Group 1.
Key Takeaways
- Southwest replaced open seating with assigned seating on January 27, 2026, ending the old A1-C60 boarding system.
- Boarding groups now run 1 through 8 and depend mostly on fare type, seat selection, and loyalty status, not check-in timing.
- EarlyBird Check-In no longer exists. Priority Boarding, a paid add-on, now guarantees you board ahead of Group 1.
- Online check-in still opens 24 hours before departure and remains how Basic fare passengers without elite status get their seat assignment.
- Domestic check-in usually closes 45 minutes before departure. International cutoffs run later and vary by airport.
What Does Southwest Online Check-In Actually Do Now?
Online check-in still opens 24 hours before your scheduled departure, through the Southwest website or app. You enter your confirmation number and your first and last name, then pull up your trip details.
For most fares, your seat is already locked in from booking, so check-in’s main job is handing you a digital boarding pass with your seat and boarding group printed on it. You can save it to your phone or print it.
Basic fare is the exception. Southwest doesn’t let Basic fare passengers pick a seat at booking, so it assigns a Standard seat automatically during check-in, unless you hold a Rapid Rewards credit card (seat selection subject to availability) or qualifying Tier status, which lets you pick a seat earlier.
Pro tip: If you booked Basic fare, check in the moment the 24-hour window opens. You’ll still get first pick of whatever Standard seats remain unclaimed.
When Should You Check In for a Southwest Flight?
Check-in opens 24 hours before departure, same as before. But for Choice, Choice Preferred, and Choice Extra fares, the exact minute you check in no longer changes your seat or boarding group, since both are usually set when you book.
Timing still matters for two reasons. Basic fare passengers want to check in early to get the best pick of remaining Standard seats. And everyone needs to check in before the cutoff: about 45 minutes before departure for domestic flights, and earlier (often 60 to 90 minutes, depending on the airport) for international flights.
If you’re not checked in and at the gate at least 10 minutes before departure, Southwest can cancel your reservation. Build in a buffer rather than cutting it close.
What Do Southwest’s Boarding Groups Mean?
Southwest now uses 8 numbered boarding groups instead of the old A, B, and C letter groups. Your group appears on your boarding pass, and gate screens show which group is currently boarding.
How Boarding Priority Works
Your group depends on a mix of fare type, seat choice, and loyalty or credit card status, almost all of which you control at booking rather than at check-in.
| Factor | Typical boarding group |
|---|---|
| Extra Legroom seat (purchased or upgraded) or A-List Preferred status | Groups 1-2 |
| A-List status or Choice Preferred fare | Groups 3-5 |
| Rapid Rewards credit cardholder (if not already earlier) | Group 5 |
| Choice or Basic fare, no upgrade | Groups 6-8 |
| Priority Boarding (paid add-on) | Boards ahead of Group 1 |
A lower group number still gets you more overhead bin space and a calmer walk to your seat, even though your seat itself is already guaranteed.
Why Your Group Number Matters
Because seats are assigned now, your group number mostly affects convenience rather than where you sit. Earlier groups get first access to overhead bins near their row and avoid the crowding that builds up by the time later groups board.
Families on the same reservation share a single boarding group, so you won’t be split up by status differences within the same booking.
How Boarding Groups Connect to Seat Type
Your seat type lines up closely with your boarding group. Extra Legroom seats generally board in Groups 1-2, Preferred and A-List seating typically falls in Groups 3-5, and Standard seats without an upgrade usually land in Groups 6-8.
That predictability is new. Under the old system, your boarding number determined your seat. Now it’s reversed: your seat and fare determine your boarding number.
How Do You Check In on the App or Website?
Checking in takes a few minutes. Head to the website or open the app, then follow these steps.
| Step | What you do |
|---|---|
| 1 | Sign in with your confirmation number and name |
| 2 | Review your flight, seat, and boarding group |
| 3 | Finish check-in and get your boarding pass |
| 4 | Save it to your phone or print it |
If you booked Basic fare and haven’t been assigned a seat yet, you’ll choose from whatever Standard seats remain open at this step.
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What Are Southwest’s Seat Types, and How Are They Assigned?
Southwest now offers three seat types: Standard, Preferred, and Extra Legroom. Preferred seats sit toward the front of the cabin at the same size as Standard. Extra Legroom seats sit at the front and near exit rows, with extra pitch and, when available, complimentary premium drinks and upgraded snacks.
When You Choose Your Seat
If you book Choice, Choice Preferred, or Choice Extra, you pick your seat at booking, and it’s saved for you from that point on. Basic fare works differently: Southwest assigns your Standard seat at check-in unless you hold a Rapid Rewards credit card or Tier status that unlocks earlier selection.
A-List members can select an open Extra Legroom seat at no charge starting 48 hours before departure, when one is available. A-List Preferred members get that option at the time of booking.
Priority Boarding: The EarlyBird Replacement
Southwest retired EarlyBird Check-In after January 26, 2026. In its place, the airline sells Priority Boarding, an optional add-on that guarantees you board ahead of Group 1, no matter your fare or status.
You can buy Priority Boarding starting 24 hours before departure and up to roughly 30 to 60 minutes before takeoff. Pricing varies by flight, route, and demand, generally landing between $10 and $75 per person, per flight segment.
Note: Priority Boarding price isn’t fixed. Check the exact cost for your flight when you book or add it afterward.
How Does Digital Bag Tracking Work After Check-In?
Once you’ve checked in, the Southwest app’s Digital Bag Tracking feature lets you follow your checked luggage in real time. You can see when your bag is scanned, loaded onto the aircraft, and unloaded at your destination.
It won’t get your bag there faster, but it cuts the uncertainty of standing at baggage claim wondering if your suitcase made the flight.
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What Do You Get After Checking In?
After checking in, you get a digital boarding pass showing your seat and boarding group, real-time bag tracking once you’ve checked a bag, and on most flights, complimentary snacks and non-alcoholic drinks, with premium and alcoholic drinks available for purchase.
If you bought an Extra Legroom seat, you typically get upgraded snacks and complimentary premium beverages when available, on top of the extra space.
The biggest shift from the old system is certainty. You know your seat and your boarding group well before you reach the airport, instead of finding out only after you check in.
Frequently Asked Questions
Is EarlyBird Check-In still available on Southwest?
No. Southwest retired EarlyBird Check-In after January 26, 2026, when it switched to assigned seating. Priority Boarding, a paid add-on you can buy starting 24 hours before departure, now serves a similar purpose by guaranteeing you board ahead of Group 1.
Do I still need to check in if I already picked my seat?
Yes. You still need to check in to get your boarding pass and confirm your boarding group, even though your seat for most fares is already locked in from booking.
What happens if I book a Basic fare?
Basic fare doesn’t let you choose a seat at booking. Southwest assigns you a Standard seat automatically when you check in, unless you hold a Rapid Rewards credit card or qualifying Tier status that lets you pick one earlier.
How much does Priority Boarding cost?
Price varies by flight, route, and demand, generally falling somewhere between $10 and $75 per person, per flight segment.
What’s the latest I can check in for a Southwest flight?
Domestic check-in usually closes about 45 minutes before departure. International flights typically close earlier, often 60 to 90 minutes before departure depending on the airport, so check your specific route ahead of time.
What This Means for Your Next Flight
The single most useful change to know: your boarding group now comes from what you book, not how fast you check in. Pick your fare and seat carefully at booking, since that decision now does the heavy lifting that EarlyBird Check-In used to handle.
Still check in as soon as the 24-hour window opens, especially if you booked Basic fare or want to weigh adding Priority Boarding. Get that part right, and the rest of your trip starts a lot smoother.
References
- Assigned Seating — Southwest Airlines, 2026
- Boarding Process — Southwest Airlines Support, 2026
- How to Get the Best Seat on Southwest Airlines — NerdWallet, 2026
- Southwest Airlines Boarding Process & Groups — Upgraded Points, 2026
- Guide to Southwest Check-In + Fare Changes — FinanceBuzz, 2026
- Airline Check-In Cutoff Comparison — Meetings Today, 2025