The Federal Aviation Administration (FAA) imposed ground stops at Newark Liberty International Airport, Philadelphia International Airport, and Teterboro Airport on Monday, September 21, 2026, after communication problems emerged at the Philadelphia Terminal Radar Approach Control (TRACON) facility. The Newark ground stop began at approximately 10:00am and was extended multiple times through the afternoon.
Flight delays at Newark reached up to 150 minutes for arrivals and departures, with average departure delays peaking at 124 minutes by noon. More than 600 flights combined at Newark and Philadelphia experienced delays, accounting for over 20% of scheduled flights at both airports. Philadelphia International recorded
over 240 delayed flights. Several aircraft were diverted due to these restrictions.
The FAA identified failures involving several communication frequencies at Philadelphia TRACON, which manages air traffic for the Northeast US regional airspace including Newark, Philadelphia, and Teterboro airports. The facility’s system issues disrupted operations across all three airports, with Philadelphia serving as a major American Airlines hub and Newark as a key hub for United Airlines. Teterboro Airport, primarily serving private and corporate aviation, also faced operational disruptions.
Travelers experienced significant delays, particularly at Newark Liberty International, where arrival delays averaged 49 minutes by midday. The FAA advised passengers
to monitor flight status through airline updates and its National Airspace System status service due to ongoing schedule adjustments amid the ground stops.
This outage follows previous telecommunications failures at Philadelphia TRACON in May 2025, which impacted communication between air traffic controllers and aircraft at Newark. Since then, the FAA has installed fiber-optic links between New York and Philadelphia TRACON and added backup equipment to strengthen reliability. Despite these upgrades, staffing constraints persist at Philadelphia TRACON Area C, which handles Newark’s traffic.
In June 2026, the FAA published a Federal Register notice extending Newark’s operating limits effective October 25, 2026,
through October 30, 2027. Under this order, Newark is authorized to schedule up to 72 operations per hour, capped at 36 arrivals and 36 departures, reflecting ongoing regulatory responses to staffing and capacity challenges at Philadelphia TRACON.
