Check your boarding pass: If the letters SSSS are on it, expect to spend extra time at security. Here's what triggers SSSS on a boarding pass.

Add Yahoo as a preferred source to see more of our stories on Google. Ahead of my recent return flight from Central America, I wasn’t able to check in online for my trip, while my husband could. That ...

Add Yahoo as a preferred source to see more of our stories on Google. The trouble began immediately afterward: We were SSSS’d flying from Dallas to Minneapolis, from Minneapolis to New Orleans, and ...

Gridman expanding into a whole new anime universe was already surprising enough on its own considering the definitive conclusion that SSSS.Gridman came to with its final episode, but a new entry is ...

Getting "SSSS" on your boarding pass isn't a mistake — it's a flag for Secondary Security Screening Selection, which adds extra screening before you fly. Even if you are approved for the time-saving ...

"It stands for ‘secondary security screening selection,’ and it’s a measure implemented by security authorities in the U.S. to screen certain passengers with additional checks." "Selectees for this ...

A seasoned globetrotter has spilled the beans on what 'SSSS' on your boarding pass signifies and why it's something you'd rather not see. Chloe Jade Meltzer, aged 30, a travel aficionado who has been ...