What Does SSSS Mean on a Boarding Pass?

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If you spot the code “SSSS” prominently on your boarding pass, be prepared for an unexpected delay. This four-letter designation may elicit a few four-letter words from you when you find out that it stands for Secondary Security Screening Selection and means you’ve been selected for extra security checks at the airport.

How to Know if You Might Get SSSS on Your Boarding Pass

If you’re going to get SSS on your boarding pass, there will be a few red flags that might alert you that the designation is in your future. 

1. You’re not allowed to check in online. Not being able to check-in online isn’t always a warning signal, especially for international flights, when you may need to check in in person and show your passport. However, if others you’re traveling with are able to check in online and you’re not, it’s a sign that you may be getting the SSSS designation. 
2. The airline sends you advance notice that you need to check in with an agent at the airport. 
3. You can’t use the airport kiosks to check yourself in and are directed to speak to an agent.

What Happens if You Get SSSS on Your Boarding Pass?

If you get SSSS on your boarding pass, you’ll need extra time to get through security. You will have to go through additional security screenings before being allowed to board your flight. 

After checking in, you’ll likely be escorted to a private room to have your bags thoroughly searched. You may also receive a pat-down, be swapped for explosives, and have to go through a metal detector.  

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If you have a connecting flight, the SSSS designation may follow you on each leg of your trip, so be prepared to undergo additional screenings before boarding each flight. 

SSSS and TSA PreCheck or Global Entry

You can still get SSSS on your boarding pass even if you’re a TSA PreCheck member. Unfortunately, if you have been selected for SSSS, you won’t get the TSA PreCheck designation on your boarding pass and must go through the regular security line. 

However, if you receive the SSSS designation on your ticket on a return trip to the United States, you will still be able to go through the Global Entry lane as normal if you’re a member.

Why Did I Get SSSS on My Boarding Pass?

A TSA spokesperson tells SmarterTravel, “In some cases, passengers are randomly selected for additional screening.” It may just be bad luck that you’ve been selected. However, certain travel behaviors, like flying alone, buying a last-minute or one-way ticket, or traveling to certain destinations, raise a red flag on your booking. “Security measures begin long before passengers arrive at the airport,” says a spokesperson for the TSA. “TSA works closely with the intelligence and law enforcement communities to share information.”

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