Key Notes
- The FAA ordered departing flights at US airports to remain on the ground until further notice.
- Communications problems affected multiple en route air traffic control centers, with the underlying fault not initially explained.
- Inbound international flights are being handled individually; travelers should check their airline for flight-specific instructions.
The Federal Aviation Administration halted departures across the United States on Friday, November 13, after communications problems affected multiple air traffic control centers. The nationwide ground stop created an immediate disruption for travelers heading into the weekend.
The FAA attributed the action to communications problems at Air Route Traffic Control Centers, the facilities that guide aircraft between airport areas. The agency’s initial instruction was for departing aircraft to remain on the ground until further notice.
The restriction began shortly before 4 p.m. Eastern time, or 21:00 UTC. The initial notice cited extraordinary circumstances and safety considerations, while saying that inbound international flights would be handled individually. That distinction matters for passengers already traveling toward the U.S.: the departure halt does not amount to an announcement that every international arrival has been canceled.
What the Nationwide Ground Stop Means
A ground stop holds affected flights at their departure airports. In its airport guidance, Philadelphia International Airport explains that the FAA uses these restrictions to slow or halt traffic when additional safety measures are needed. Friday’s order applied nationwide, giving it a much broader reach than a stop affecting traffic bound for one airport.
The FAA’s air traffic glossary describes en route control centers as facilities primarily responsible for aircraft flying between terminal areas. A communications problem at several such centers can therefore affect journeys well beyond the airports nearest those facilities.
The Underlying Fault Remains Unclear
Transportation Secretary Sean Duffy said FAA technicians were investigating the communications problem. The agency’s initial statement did not explain the underlying technical fault. Reports about individual radio frequencies should not be treated as a complete explanation of what failed across the network.
A nationwide ground stop also followed a NOTAM outage in January 2023, when a system supplying safety information to flight crews failed. We recently covered the agency’s technology modernization; the FAA has not established a connection between that program and Friday’s disruption.
What Travelers Should Check
For anyone due to fly, the practical priority is the operating airline’s flight status and instructions. Check the onward flight as well as the first leg of a connection, and keep notifications enabled for revised departure times or rebooking options.
The FAA’s status dashboard provides wider airport and airspace information. A provisional time on an advisory is not a confirmed restart: travelers should wait for an explicit operational update and their airline’s instructions before assuming a flight will depart.
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