Overview

• A telecommunications and equipment failure at the FAA's Philadelphia TRACON triggered a ground stop for Newark-bound flights starting at 1:53 p.m. on April 28, 2025.
• Departures to Newark were held at origin airports through at least 5 p.m., causing widespread flight delays, diversions, and cancellations.
• As of 6 p.m., Newark Liberty International Airport reported 287 delays and 127 cancellations, with average delays of 30 minutes for arrivals and 2 hours for departures.
• Although the technical issue was resolved later in the afternoon, persistent air traffic controller shortages at the Philadelphia center have exacerbated delays.
• FlightAware's Misery Map shows ripple effects across the national aviation system, with airlines warning of further disruptions and cancellations throughout the day.