Do you have to check in twice on connecting flights southwest?

If your flight is all under one reservation you will receive a boarding pass for your departure flight and a boarding pass for your connecting flight(s) when you check in. If they are under separate reservations, then you need to check in for each flight you have a reservation number for.



In 2026, for standard domestic connecting flights on Southwest Airlines, you do not need to check in twice. When you complete your initial check-in (usually 24 hours before your first leg), you are checked in for all flights listed under that single confirmation number. Your boarding position (e.g., A16) is assigned for each segment simultaneously. However, there is a major 2026 exception for International Connections: if you are flying from an international destination into the U.S. and then connecting to a domestic Southwest flight, you must claim your checked luggage after clearing Customs and physically re-check it with a Southwest agent. Furthermore, if your connection involves a long layover (over 24 hours), it may be treated as a "stopover," requiring a separate check-in. For most 2026 travelers on a typical domestic layover, your bags will be tagged to your final destination, and you can proceed directly to your next gate using the same digital boarding pass.

People Also Ask

In most cases, you'll receive your boarding pass for your connecting flight already when you check in for your first flight. This means you don't have to check in again for your next flight.

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Domestic flying: no. Your bags will be checked through to the final destination and you can go straight to your next gate.

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Just ask at the ticket counter when you check in if you will be getting both boarding passes or if you will need to get the second one at your layover airport. They'll tell you what to do.

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For domestic to domestic layovers, you normally won't have to go through security again during your layover. However, for all international layovers, you will normally have to go through security again, but this will depend on individual airport policy.

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When arriving at the connecting airport all you have to do is to go to your next gate and wait for the next plane, your next flight. There might be a security check in the terminal at the connecting airport. But mostly you don't have to do anything about your luggage. It's being taken care of by the airport personnel.

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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).

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Southwest has no interline agreements. They will not check bags through to another carrier.

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If you miss your connecting flight, the airline will usually transfer your checked luggage to the next available flight. However, it is important to contact the airline as soon as possible so they can make sure that your bags are on their way.

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Do You Have To Go Through Customs During A Layover? Customs and immigration are usually required at the connecting airport for international flights. You don't always have to for domestic flights. In most cases, passengers on layover flights must clear customs and immigration at the first point of entry.

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While not illegal, intentionally skipping segments on an itinerary does almost always violates airlines' contracts of carriage.

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If EarlyBird Check-In® is available, we'll automatically check you in and assign your boarding position within 36 hours of your flight's departure - that's 12 hours before general boarding positions become available.

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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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Recommended minimum connection times Southwest: At least 30 minutes if you have checked bags. United: 30-minute minimum for domestic, 60 minutes for international.

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While not illegal, intentionally skipping segments on an itinerary does almost always violates airlines' contracts of carriage. For example, American's contract of carriage says this: Reservations made to exploit or circumvent fare and ticket rules are prohibited.

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The golden murphy's law for SWA is when you are late due to their inbound delay, they won't hold the connecting outbound flight; but when you are ontime or early, they will hold the flight for someone else!!! Southwest is much better at this than other airlines.

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If a delay in your first flight is the reason you're missing your connection, don't worry too much. Usually, most airlines will rebook you on the next flight, and that too for free. Although, you might have to fly on standby depending on seat availability.

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What is a good connection time? Travel advisers say there's a lot to take into account when booking connecting flights, but a general rule of thumb is 60-90 minutes between domestic flights and at least two to three hours for international itineraries.

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While skiplagging isn't illegal, American Airlines filed a civil lawsuit earlier this month against Skiplagged.com, accusing the company of unauthorized and deceptive ticketing practices and tricking customers into believing they've gained access to a secret loophole.

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A direct flight is identified by a unique flight number. A transit flight, with a connection, has two distinct flight numbers. A flight that is not direct, or connecting flight, involves a change of aircraft.

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Yes, there might be exceptions, but most often than not the airline won't wait. What you can do is to try to avoid missing your connection. But if you do miss your connection, don't worry, the airline will book you on a new flight for free (if it's an airline-protected connecting flight).

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