The FAA Nationwide Ground Stop Is Over
A failure in the FAA Telecommunications Infrastructure network caused a five-hour nationwide ground stop, the most severe since 9/11, leading to over 6,300 flight cancellations.
The failure occurred in the FAA Telecommunications Infrastructure (FTI) network, which serves as the private communications backbone for air traffic control. This system is currently undergoing a major modernization project by contractor L3Harris Technologies, which involves replacing decades-old copper wire with high-speed fiber-optic cables.
The ground stop lasted five hours, resulting in 6,300 canceled flights and 9,500 delayed flights within, into, or out of the US, according to FlightAware. Freight and mail flights were also affected.
Modernization challenges
The FAA has stated the modernization will reduce outages and make the system safer, while better accommodating newer aircraft like drones and eVTOLs. However, FAA workers have previously expressed frustration with L3Harris' work, calling it "a more frustrating process than it needs to be."
It will take us some time to unwind what has happened.
Future upgrades
In August, the FAA awarded AT&T a $73 million contract to upgrade the FTI network, though the total value could reach billions. L3Harris continues operating the legacy system during this transition. The Trump Administration aims to complete the overhaul of the nation's Air Traffic Control System by the end of 2028.
Earlier on Friday, Transportation Secretary Duffy had sent a letter to congressional leaders requesting $30.1 billion in funding for further upgrades to the air traffic control system and airport improvements. A September GAO report raised concerns that the FAA might be prioritizing speed over costs and disruption in its modernization efforts.
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