What Does ‘SSSS’ On Your Boarding Pass Mean? February 23, 2026 by admin ADVERTISEMENT What Happens During Secondary Screening If you are selected, TSA officers may: Ask you additional questions about your trip. Conduct a more thorough pat-down. Search your carry-on luggage in more detail. Scan your electronic devices. The process can take extra time, so travelers are encouraged to arrive at the airport earlier than usual if they see “SSSS” on their boarding pass. ←PreviousNext→