It may take longer than ordinary airport security.
But seeing SSSS does not automatically mean that you have done anything wrong, and it does not necessarily mean that you are suspected of committing a crime.
For most travelers, the best response is simple:
Stay calm, arrive early, and cooperate with the screening process.
What Is SSSS?
The four letters stand for Secondary Security Screening Selection.
The designation indicates that a passenger has been selected for additional screening.
The screening can take place at the airport security checkpoint or elsewhere in the departure process, depending on the circumstances.
Travelers selected for SSSS may experience additional procedures that aren't part of the standard screening process.
These can include a more extensive inspection of carry-on luggage, additional physical screening, testing or examination of belongings, and questions from security personnel.
The exact procedure can vary.
That's why one traveler may describe SSSS as a relatively quick additional check while another may experience a longer screening process.
