What do codes on boarding passes mean? Some of the most common codes found on boarding passes include: SSSS: Secondary Security Screening Selection. These letters mean the passenger has been ...

If You Notice A Typo On Your Boarding Pass As you check your boarding pass to see the sequence number, you spot it: a glaring typo right in the middle of your name. If your last name is first ...

Air travel experts reveal that the "SSSS" stamp on a boarding pass stands for "secondary security screening selection," and means the passenger will have to undergo an enhanced screening process ...