How soon can you check-in for a flight Southwest?

Flight Check-In Online Beginning 24 hours prior to departure, from Southwest.com® or the Southwest® app, select “Check in.” Enter the confirmation number and first and last name of a Passenger on the itinerary, and click “Check in” (for desktop) or “Retrieve reservation” (for the Southwest app or mobile website).



You can check in for a Southwest Airlines flight exactly 24 hours before your scheduled departure time. This timing is more critical on Southwest than on almost any other airline because they do not assign seats; instead, your check-in time determines your boarding position (A, B, or C group). The faster you check in, the better your position, and the higher your chance of snagging a coveted window or aisle seat. If you have "EarlyBird Check-In," the system automatically checks you in 36 hours before departure, giving you a significant advantage. In 2026, Southwest continues to emphasize this process through their mobile app, which sends a push notification the second the window opens. For those who miss the 24-hour mark, "Upgraded Boarding" can sometimes be purchased at the gate (positions A1–A15) if available. If you are checking in at the airport, you must do so at least 60 minutes before departure, though you will likely end up in the C-group if you wait that long.

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If you purchase EarlyBird Check-In, we'll automatically check you in and reserve your boarding position 36 hours before you flight's departure. This is before our general 24-hour check-in begins.

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30 minutes prior to scheduled departure time: We may begin boarding as early as 30 minutes prior to your flight's scheduled departure time. We encourage all passengers to plan to arrive in the gate area no later than this time.

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There's no fixed time given by the airport stating how early passengers can go through the security check. But for a guarantee of minimal stress, arriving 2-4 hours early is recommended. If you want, you can even travel 6 hours ahead. It's wise to give yourself some cushion for ease of mind.

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Checking in for a flight early or late comes down to more personal preference than anything else. As long as you check in before the window closes, you'll (most likely) get a seat on the aircraft. But, being strategic, one way or the other, might bag you a better one.

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So the earlier you check-in, the sooner you'll board, which means more seat choices. You'll get a better boarding position if you check-in as close to 24 hours ahead of departure as possible. If you have some flexibility in where you sit, you'll have better luck sitting together as a group or family.

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How to get Southwest priority boarding
  1. Purchase EarlyBird Check-In.
  2. Purchase Upgraded Boarding.
  3. Book the right fare class.
  4. Carry select Southwest Rapid Rewards credit cards.
  5. Reach elite status with Southwest.
  6. Travel as a family.
  7. Use your military benefits.


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Online check-in lets you check in from your home or office and print your own boarding pass. You can also choose to have a link to your boarding pass emailed to your mobile device.

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Is toothpaste considered a liquid by the TSA? Yes, toothpaste must adhere to the 3-1-1 rule for liquids and gels. Toothpaste can be brought through TSA security in your carry-on as long as it is 3.4 ounces (100 milliliters) or less and placed in a 1-quart bag.

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Sharp, heavy, and other dangerous items are restricted on all commercial airline flights, including Southwest. Items such as sharp knives, bats, clubs, ski-poles, snow globes and most tools and weapons must be checked rather than packed in a carry-on. Explosives and fuels may not be carried by air at all.

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What is the carryon policy at Southwest? TSA regulations limit carryons to one bag and one small, personal item. If you're traveling with a pet, carriers are counted as either your personal item or carryon.

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One disadvantage is certainly that many people have poor time management and arrive too late at the airport if they check in online. For some, this can lead to unwanted time pressure. On the other hand, those who still have to check in at the airport itself usually arrive early enough and are therefore over-punctual.

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In most cases, you will only need to go to check-in when you have checked-in online if you need to drop off an item of hold baggage. Please ensure that you are aware of the hand baggage requirements for your specific airline before you travel.

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However, if a passenger does not have an internet-capable device, it is usually possible to check in at a special machine in the airport. A big advantage of checking-in in advance is that you can choose your seat. Whether this reservation is associated with additional costs depends on the airline.

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In general, some airports will allow you to go through the security check-in much earlier while others may require you to arrive no earlier than 2-5 hours before the departing time. This is sometimes because the checked baggage counters and/or check-in gates are not open yet.

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In many airports, the answer is yes. However, some airports close at night and other airports simply do not permit/like airport sleepers and are openly hostile. We suggest you visit the airport guide for the airport you are inquiring about.

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At Southwest, we let you sit where you like. We don't assign seats on our flights, so feel free to sit in any available seat once you board the plane. We have a quick, easy, and efficient boarding process. Look at your boarding pass to find your assigned boarding group (A, B, or C) and boarding position (1 - 60).

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Re: Saving Seats Unfortunately, there's no policy to enforce. Officially, Southwest has no policy for or against seat saving, and in practice actively allows it. Reps will even suggest that passengers save seats for later boarding companions.

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Southwest Airlines has long argued that its unassigned seating policy is popular with passengers and facilitates speedier boarding. That means planes spend less time at the gate and more time in the air generating Southwest money. Over the years, the airline has tinkered with the no-system boarding system.

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