Do you go through TSA during layover?

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.



Whether you go through TSA security during a layover depends on your point of origin and destination. If you are on a domestic flight within the U.S. and stay within the "secure airside" area of the terminal, you generally do not have to go through TSA again. However, if your layover involves changing terminals that are not connected behind security, you will have to exit, take a shuttle, and clear TSA again. The biggest exception is international arrivals. If you land in the U.S. from a foreign country (even if you are just transiting to another international destination), you must clear Customs and Border Protection (CBP). After clearing customs, you are in the "public" area of the airport and must re-clear TSA security to get back to the gates. The only common exception to this is if you are coming from a "Preclearance" airport (like those in Canada or Ireland), where you clear U.S. customs before departure, allowing you to land in the U.S. as a domestic passenger and skip the mid-trip security check.

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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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How many times do you have to go through TSA on connecting flights? Most of the time on connecting domestic flights, you do not have to go through security a second time. As long as you do not leave the secure area you usually are ok.

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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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If you miss your connection booked with the same airline that your were on for your first flight, and the issue is due to a delayed take off or anything else that's in the hands of your airline, it's the airline's responsibility to rebook you on the next available flight.

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Basically, a layover is the time an airline gives you to change planes between flights. On a layover that's scheduled by the airline, you'll likely be traveling on the same ticket for every flight included in the itinerary, and you may have some time to kill at the airport.

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You might only receive your first boarding pass when you check-in for the first time. If so, then you will have to find the correct ticket counter at the layover airport and get your second boarding pass for the new flight.

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No, but it's against most airlines' contracts of carriage or the rules people must follow to fly with the airline.
  • American Airlines and Southwest Airlines both put skiplagging first on their lists of prohibited booking practices. ...
  • United Airlines and Delta Air Lines also prohibit skiplagging.


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It's not illegal but it does come with two problems: Most airlines will cancel your return ticket if you miss a portion of your itinerary. So if you intentionally skip your connection, you may find yourself without a flight home. Airlines can, and do, blacklist customers from booking tickets with them.

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But skiplagging is controversial, and many airlines frown upon it — so much that it can be punishable by miles or status cancellations and even a lifetime ban from the airline.

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While, generally, the airline won't wait for connecting passengers, there might be some exceptions. If a flight is delayed, and there are many passengers who are connecting from this delayed flight onto the same connecting flight, the airline will hold the connecting flight for these passengers.

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If you miss your connection due to a delay, usually the airline is responsible for providing you with a replacement flight to your destination. They will have to book you on the earliest possible flight available.

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What happens if TSA finds a prohibited item in checked bag? For example, TSA guidance is very clear: If prohibited items are found during security checks, they won't be returned to their owners. That may vary in other countries, but the general rule is that confiscations are permanent.

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