There’s a bizarre travel trend going viral right now—and it might completely change how you think about airports.

It’s called the “Airport Theory,” and the idea is simple: arrive at the airport as late as humanly possible—like, boarding time late—and somehow still make your flight.

People are testing it on TikTok, walking into terminals just minutes before boarding closes, skipping the usual two-hour buffer, and… somehow pulling it off. Supporters say it proves we massively overestimate how early we need to be. Critics say it’s a one-way ticket to missing your flight and ruining your holiday.

Airlines, unsurprisingly, are not fans.

Travel experts still recommend arriving early, especially with security lines, delays, and the unpredictability of airports.

But that hasn’t stopped thrill-seekers treating it like a sport.