On September 21, 2026, a Verizon fiber-optic cable was accidentally severed during a construction project in New Jersey, resulting in a critical data outage for the Federal Aviation Administration (FAA) backup system. This failure led the FAA to halt flights bound for Newark Liberty International Airport and Philadelphia International Airport initially, before extending ground stops to New York City’s JFK and LaGuardia airports.
Flight Disruptions Expand Across Northeast Airports
By 6 p.m. the same day, more than 600 flights in and out of Newark were canceled, accounting for more than half of the day’s scheduled operations, while nearly 100 others experienced delays. Philadelphia saw over 200
flight cancellations and more than 400 delays. The FAA’s freeze on departures forced nearly 100 planes to divert to alternate U.S. airports, including routes arriving from Europe. Notably, a United Airlines flight from Berlin was rerouted to Detroit Metropolitan Wayne County Airport, and a Scandinavian Airlines flight from Stockholm was diverted to Washington Dulles International Airport. International flight diversions also involved aircraft originating from Iceland, Egypt, Greece, Spain, and France.
Cause of Outage Traced to Construction Incident
The outage originated from a construction crew working on a rail project between New Brunswick and North Brunswick, New Jersey, who severed a Verizon fiber-optic cable approximately 10 feet away
from marked utilities, according to NJ Transit. Verizon stated that their network was fully operational prior to the incident and that they assume no responsibility for the damage. FAA Administrator Bryan Bedford explained that the failure occurred “when it went to flip into the backup, we discovered the backup fiber had a break.” The severed cable interrupted the backup feed for the FAA’s Terminal Radar Approach Control (TRACON) facility in Philadelphia, which manages flight traffic for Newark and Philadelphia airports.
Airlines Respond to Operational Impacts
United Airlines responded by waiving flight change fees for those disrupted and provided extra pay incentives to staff willing to
operate flights from Newark amidst staffing challenges. American Airlines, which operates a hub at Philadelphia International Airport, also waived change fees and allowed passengers to fly out of alternate airports. Both carriers worked to alleviate passenger inconvenience resulting from cancellations, delays, and rerouted flights caused by the FAA systems outage.
Official Statements and Infrastructure Concerns
FAA Administrator Bryan Bedford spoke about the backup system failure during a backup circuit switchover. NJ Transit is conducting an investigation to determine responsibility regarding the utility markings and cable damage. Transportation Secretary Sean Duffy confirmed that flights began resuming Monday evening after repairs were made and emphasized the need
for additional funding to modernize aging infrastructure and prevent future disruptions. The outage occurred hours before the United Nations General Assembly was scheduled to begin in New York City, highlighting ongoing challenges with outdated air traffic control technology that the previous administration had targeted for a multibillion-dollar modernization overhaul.
