At Hartsfield-Jackson Atlanta International Airport — the busiest in the world — passengers are waiting more than four hours to clear security. At Houston’s George Bush Intercontinental, the lines are just as long. Across the United States, the system that screens 2.5 million air travellers a day is buckling under a crisis that has nothing to do with terrorism and everything to do with money.

Fifty thousand Transportation Security Administration officers are working without pay. More than 500 have already resigned. And the shutdown that caused it all — a partial closure of the Department of Homeland Security that began in late February — is now in its 47th day with no resolution in sight.

How a Budget Fight Broke Airport Security

The DHS funding lapse began as a political standoff over border security spending. It was supposed to last days. Nearly seven weeks later, the TSA — which falls under DHS — remains one of the highest-profile casualties. Officers are legally required to report for work as “essential employees,” but they receive no paychecks until funding is restored. The longer it drags on, the more officers decide they cannot afford to keep showing up.

The attrition is not evenly distributed. Smaller regional airports, where TSA staffing was already thin, have been hit hardest. Some checkpoints have reduced operating hours. Others are running with skeleton crews that cannot handle peak-hour surges. The result is a cascading delay problem: when security lines back up, passengers miss flights. Missed flights mean rebookings, gate changes, and domino effects that ripple through the entire system.

The Worst Possible Timing

The TSA crisis is unfolding against the backdrop of a war that has already disrupted global aviation. The Iran conflict has closed airspace across the Persian Gulf, shut Kuwait International Airport for five weeks, and forced airlines to reroute hundreds of daily flights. International travel demand has shifted — more passengers are flying indirect routings through U.S. hubs to avoid Middle Eastern airspace. That means more connections, more transfers, and more people flowing through TSA checkpoints at exactly the moment those checkpoints have fewer officers to screen them.

The convergence is unprecedented: a domestic funding crisis and an international military conflict squeezing the aviation system from both ends simultaneously. Airlines are already reporting increased load factors on transatlantic routes as travellers rebook away from Gulf-transit itineraries. Every one of those additional passengers adds seconds to security lines that are already measured in hours.

What Comes Next

Previous government shutdowns have shown that TSA is always among the first agencies to feel the pain and the last to recover. The 2018–2019 shutdown, which lasted 35 days, saw TSA sick-call rates spike above 10% as officers stayed home rather than work for free. The current shutdown has already exceeded that duration, and the resignation numbers — 500 and climbing — suggest something worse: not a temporary protest, but a permanent loss of experienced screeners who will need to be recruited and retrained from scratch.

For passengers, the message is brutally simple: arrive early. For the aviation industry, the message is more sobering. Airport security in the United States depends on a workforce that is chronically underpaid even in normal times. Ask those workers to show up for nothing during a war — and then act surprised when the lines reach four hours — and the system reveals exactly how fragile it has always been.

Fifty thousand people are keeping the airports open. They deserve a paycheck.

Sources: CBS News, VisaVerge, PBS, Aviation Weekly News Roundup