What We Get Wrong About How 9/11 Began – National Geographic

September 12, 2026

The 17 minutes that changed America

The earliest moments of the 9/11 attacks did not unfold in the way you’ve been taught to think of them: a plane striking a tower, a city looking up in horror, a nation gripped by panic.

Instead, for the briefest of windows, the unfolding drama of September 11, 2001, wasn’t yet a calamity but merely a strange accident. And that pivotal span forever altered the way we look at disasters, at the sky, and at one another.

By Garrett M. Graff, Published September 1, 2026

Burt Glinn, Magnum Images

Seventeen minutes. Roughly a thousand seconds.

In that amount of time, you could watch a single inning of major league baseball. You could listen to side one of Bruce Springsteen’s Born to Run album, from “Thunder Road” through “Backstreets.” If you’re lucky and don’t get jammed up by a signal delay, you could take New York City’s uptown F train from Washington Square Park to the Empire State Building and still have a few minutes to spare.

On September 11, 2001, 17 minutes was the length of time from when American Airlines Flight 11 crashed into the North Tower of the World Trade Center, at 8:46 a.m., to when United Airlines Flight 175 entered the right-hand side of millions of TV screens, at 9:03 a.m., and plowed into the South Tower at nearly 600 miles an hour.

The twin towers of the World Trade Center stood as the defining feature of the lower Manhattan skyline. On the morning of September 11, 2001, Good Morning America anchor Charles Gibson called them the “postcard of New York City.” Burt Glinn, Magnum Images

In the wake of the attacks on the World Trade Center, first responders across the five boroughs descended on lower Manhattan, while many New Yorkers were left stunned, stopping occasionally to watch the smoke billowing from downtown. Martin Sasse, Iaif/Redux

I have spent a decade studying and researching 9/11. I’ve written a book and countless articles, produced a podcast series, and given hundreds of talks on how the events of that day permanently altered the course of this country. And along the way, I have become convinced that in those 17 minutes—16 minutes and 31 seconds, to be precise—we can glimpse one America ending and a new one beginning.

We can see the disappearance of the innocent optimism that defined our society in the postwar 20th century, of a nation that didn’t yet know what it felt like to be under attack or how to wake up each day facing the possibility of one.

Today some 40 percent of the country is too young to remember the events of 9/11. What they’ve learned from history books, documentaries, and museums is that the attack began at 8:46 a.m.

And while this is accurate, it also isn’t quite true. It’s an example of how, as memory has coalesced into history, the 9/11 story we tell ourselves has become more and more defined by what we have learned and morphed into in the years since, slowly eroding what it meant to experience that day in real time. What we stand to lose—and what looking closely at these 17 precious minutes can remind us of—is what it meant to be an American before the term “9/11” ever entered our lexicon. Because for most Americans who can recall that morning, the attack didn’t begin at 8:46. The confusion did.

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