What Does “SSSS” On Airline Boarding Pass Mean? Get Ready For A Search!

Have you ever had an ”SSSS” on your boarding pass when taking a flight with an airline? In this post, I want to take a detailed look at the significance of that. In some cases, this isn’t a big deal at all, while in other cases, you may have landed on some sort of a list, and get it on every flight, until you get it resolved (as happened to me back in 2017).