Flights are disrupted across the Northeast due to technical problems at a key air traffic center

Flights Across the Northeast Grounded as Philadelphia Air‑Traffic Hub Crashes

A major outage at the Federal Aviation Administration (FAA) regional air‑traffic control center in Philadelphia left hundreds of flights canceled and delayed across the New York City area and the surrounding region, including the airports at Newark, JFK, LaGuardia and Philadelphia. The disruption began early on Monday morning and continued into the evening, forcing airlines to scramble to rebook passengers and prompting officials to investigate the root cause.

The glitch started when a circuit on the primary data line at the Philadelphia facility failed. The system then attempted to switch over to its backup link, only to discover that a fiber‑optic cable had been severed. Transportation Secretary Sean Duffy said the cut was the result of an Amtrak construction crew working in the vicinity, though the agency has yet to confirm the exact circumstances.

“Someone in the area cut the fiber,” Duffy told reporters, adding that the FAA was coordinating with Amtrak to pinpoint the responsible party. The damage forced the FAA to shut down the primary connection, while repairs to the backup line would take time. FAA Administrator Bryan Bedford explained that restoring the primary circuit might be possible by installing a new circuit, but that the fiber repair itself could take up to thirteen hours.

“That fiber break is probably 13 hours to repair. It’s massive,” Bedford said in an interview with a CBS transportation reporter. Verizon, the company that supplies the fiber infrastructure, is working to bring service back online as quickly as possible.

The outage affected all flights scheduled to depart from or arrive at Newark, JFK and LaGuardia in New York, as well as flights at Philadelphia International. By late afternoon, some flights were beginning to resume, but significant delays were still expected for the remainder of the day. Airlines were urged to check the status of their itineraries with the carrier before heading to the airport.

“Airlines are working to rebook customers on impacted flights,” said Zach Sundquist, assistant airport director at Portland International Jetport. “We recommend checking your flight status with your airline before heading to the airport.” The Portland airport itself was not directly affected, but the disruption had a ripple effect on regional traffic patterns. By 5:30 p.m. Monday, the jetport’s website reported that three flights from Newark, two from New York, and one from Philadelphia were canceled, with the same numbers of departures affected. In addition, at least eight flights—four inbound and four outbound—were delayed.

Despite the chaos, President Donald Trump’s flight from Washington to New York was able to depart on schedule. The FAA’s quick response to the technical fault and the backup system’s ability to maintain critical communication lines may have prevented a wider national crisis.

The Philadelphia control center’s failure is reminiscent of a similar incident in spring 2025 that disrupted services at Newark Liberty International Airport. That earlier outage had also stemmed from a failure in a primary circuit, underscoring ongoing challenges in maintaining the aging air‑traffic infrastructure.

In response to the outage, the FAA launched a pilot test of a new computer system that uses artificial‑intelligence algorithms to anticipate scheduling conflicts and weather‑related disruptions. The test is currently limited to the Washington, D.C., area and was not directly linked to the Monday outage, but officials said the technology could help mitigate similar incidents in the future.

While airlines have allowed many passengers to change flights without incurring fees, the FAA urged travelers to verify flight details with their carriers. The agency is also working to repair the damaged fiber line and to replace the primary circuit that failed as part of a broader overhaul of the nation’s air‑traffic control system.

The outage was particularly disruptive for the 2025 United Nations General Assembly, which was convening in New York at the time. Numerous foreign leaders and delegates were scheduled to travel to the city, and the cancellation of flights complicated the logistics of their arrival.

Local airports outside the immediate impact zone, such as Bangor International Airport, were not affected by the FAA glitch. Bangor’s runway had been closed for repairs since 8 a.m. Monday and was scheduled to reopen on Thursday at 3 p.m.

As the FAA works to restore full operational capacity, officials have pledged to keep the public informed of progress. In the meantime, passengers are advised to monitor airline communications and to plan for potential delays or cancellations as they travel across the Northeast.