A major communication failure affecting the Federal Aviation Administration’s Philadelphia Terminal Radar Approach Control (TRACON) on September 21 caused over 900 flight cancellations and nearly 5,000 delays across Northeast US airports.
The primary communication line to FAA Philadelphia TRACON failed early that day, while the backup fiber-optic cable was also cut, halting critical air traffic control communications impacting airports in New York and surrounding areas.
Newark and JFK Account for Most Cancellations
Newark Liberty International Airport saw arrivals completely stop from 9:40 AM to 5:20 PM, leading to cancellation of about 600 flights. Philadelphia International Airport cancelled 200 flights. LaGuardia, John F. Kennedy (JFK), and Boston Logan
International Airports also faced major delays and cancellations amid the outage.
The interruption severely disrupted flight operations throughout the Northeast US air traffic network on September 21.
Construction Work Severed Critical Communication Lines
Reports indicate a construction subcontractor accidentally severed Verizon fiber-optic cables near an Amtrak rail line in New Jersey, damaging 180 meters of cable. While U.S. Transportation Secretary Sean Duffy initially blamed Amtrak construction crews, Amtrak countered by pointing to a New Jersey Transit contractor.
Verizon confirmed the cable was cut during construction near the rail line, causing the communication failure that affected FAA systems.
Travel Disruptions Include Missed Diplomatic Engagement
Flight disruptions coincided with the UN General Assembly high-level
week, affecting global dignitaries’ travel plans. Canadian Prime Minister Mark Carney missed a multilateral summit due to the delays.
U.S. Transportation Secretary Sean Duffy said clearing the extensive flight backlog created by the outage would require time. Flight operations at the impacted airports have since returned to normal.
