Getting “SSSS” in your boarding go is not a mistake — it is a flag for Secondary Safety Screening Choice, which provides further screening earlier than you fly.
Even in case you are authorized for the time-saving TSA PreCheck program and/or World Entry, you aren’t immune from these dreaded letters showing in your subsequent boarding go.
This is what it means, why it occurs and find out how to deal with it easily.
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What does SSSS imply?
SSSS signifies you’ve got been chosen for enhanced safety screening. Choice is made by the Transportation Safety Administration’s Safe Flight system, not by the airline or a gate agent. Enhanced screening can occur on the common checkpoint, at a separate secondary space or proper on the gate; the latter is widespread on some worldwide departures.
Safe Flight covers flights to, from, inside and overflying the U.S. So, SSSS can seem on home and worldwide itineraries, each at U.S. airports and worldwide airports the place you’ve gotten a flight to the U.S.
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Why you may get SSSS

The TSA doesn’t publish the precise standards for choice. Safe Flight makes use of risk-based evaluation together with a random component. Conditions that generally correlate embody:
- Final-minute or one-way worldwide tickets
- Irregular reserving or fee patterns
- Sure locations or routes
- Passenger title similarities to people on a watch record
Importantly, expedited screening is rarely assured. Even TSA PreCheck members could often be chosen.
Associated: 8 methods to get free or discounted TSA PreCheck, World Entry and Clear
Learn how to let you know’ve been chosen

In case you’ve been chosen for added screening, you will normally discover it earlier than you even get to the airport. On-line or cellular check-in could also be blocked, and you will be instructed to see an agent to print your boarding go.
As soon as it is issued, the letters SSSS will probably be displayed on the doc. On the checkpoint, passengers with SSSS are usually directed by the usual screening lanes moderately than TSA PreCheck.
In lots of airports, the TSA additionally makes use of Credential Authentication Expertise to scan your ID and confirm your flight particulars on the podium, however you will nonetheless want your boarding go in hand to board your flight.
What to anticipate throughout SSSS
In case you do discover these feared letters in your boarding go, it is necessary to not panic. This doesn’t imply you’ll have problem boarding your flight. Nonetheless, count on the next:
- Property screening: Your carry-on(s) are prone to be opened and inspected. Officers could swab your palms and/or belongings for explosive hint detection.
- Physique screening: You may doubtless undergo superior imaging; a pat‑down is widespread. You may all the time request a personal screening with a companion/witness of your alternative current.
- Electronics: Hold units charged and accessible. It’s possible you’ll be requested to energy them on; that is commonest on some U.S.-bound worldwide flights topic to enhanced measures.
- The place it occurs: Secondary screening can happen on the principal checkpoint or the gate simply earlier than boarding on some routes.
You may request a TSA supervisor to come back to deal with any questions or complaints you could encounter in the course of the screening, however it will add time to the method.
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Learn how to put together
In case your boarding go is marked with SSSS, plan to reach on the airport sooner than ordinary for the reason that extra screening can take further time. Be sure that your digital units are totally charged and arranged so you possibly can shortly take away them and energy them on if requested.
Packing neatly additionally helps, particularly if you happen to separate dense gadgets, powders and cords to make your bag simpler to examine.
Above all, stay affected person and cooperative. Officers are merely following process, and staying organized will normally make the method quicker.

What to do if you happen to hold getting SSSS
If SSSS seems on almost each journey, apply for the Division of Homeland Safety’s Traveler Redress Inquiry Program. By way of a Login.gov account, you possibly can submit your particulars and obtain a seven-digit Redress Management Quantity to make use of for future bookings. This may also help resolve repeated misidentifications.
For fast help, contact @AskTSA on X or Fb Messenger or textual content “TRAVEL” to 275-872. Vacationers with disabilities or medical circumstances may also name TSA Cares at 855-787-2227, ideally 72 hours earlier than journey.
Backside line
SSSS means you’ve got been flagged for added screening. Timing varies by airport and queue, so you’ll want to construct in further time. Present up early, hold your belongings organized and charged, and cooperate with officers.
If it turns into a recurring problem, DHS TRIP could assist stop repeat alternatives.
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