A bold and risky new trend is sweeping through social media platforms like TikTok, causing travelers to rethink how early they should arrive at the airport. It’s called the “Airport Theory,” and it challenges the common advice to arrive at least two hours before your flight. Instead, the theory suggests that you can arrive as little as 15 minutes before your boarding time, provided you’ve checked in online and are traveling with just hand luggage.

Several TikTok creators have jumped on this viral challenge, testing the limits of airport time management. The premise is simple: breezing through security and making it to your gate with barely any time to spare, all while looking effortlessly fashionable. Michael DiCostanzo took on the challenge at one of the busiest airports in the U.S., Hartsfield-Jackson International, successfully reaching his gate in a thrilling 14 minutes and 57 seconds.

However, not everyone has been so lucky. Jenny Kurtz shared a cautionary tale where she missed her flight to Chicago while attempting the same stunt. Travel advisor Nicole Campoy Jackson warns that relying on this “theory” is a risky gamble. Variables such as security delays, malfunctioning airport systems, or even long queues can easily throw off even the most prepared traveler.

While some find the thrill of cutting it close exhilarating, Jackson’s advice is clear: “I have never once arrived early or on time and missed my flight.”

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