# FAA grounds all U.S. flights over air traffic control outage

> The Federal Aviation Administration halted all departures Friday due to a communication issue affecting air route traffic control centers across the country.
- Title: FAA grounds all U.S. flights over air traffic control outage
- Summary: The Federal Aviation Administration halted all departures Friday due to a communication issue affecting air route traffic control centers across the country.
- Keywords: faa, air traffic control, flight groundings, outage, united states, Fastcompany
- Source: Fastcompany — https://fastcompany.com/91642564/faa-grounds-all-flights-in-us-until-further-notice-reports-cite-air-traffic-control-atc-outage
- Read time: 1 min
- Topics: faa, air traffic control, flight groundings, outage, united states
## FAA grounds all U.S. flights
The Federal Aviation Administration grounded all flights in the United States from departing Friday due to extraordinary circumstances and for reasons of safety until further notice.
## Air traffic control outage cited
The FAA reportedly issued the ground stop due to several impacts to ATC air traffic control frequencies and or radar capabilities, according to aviation industry news service The Air Current.
## Communication issue across centers
The ground stop follows a communication issue impacting all Air Route Traffic Control Centers, according to Secretary of Transportation Sean Duffy on X.
## FAA lacks outage details
The FAA command center told airlines it does not have further information on the timing or cause of this outage, The Air Current reported.
## Technicians investigating issue
FAA technicians are investigating the issue, Secretary of Transportation Sean Duffy said, adding the agency will provide immediate updates as they have them.

> FAA technicians are investigating the issue. We will provide immediate updates as we have them.
## No security threat indicated
Homeland Security Secretary Markwayne Mullin told reporters there is no indication this was a threat to the United States, later adding this was a telecommunication outage.
## Massive flight disruptions
According to FlightAware dot com, a live flight tracker website, there are more than nine thousand flights delayed within, into, or out of the U.S. today.
## Hundreds of flights canceled
Four hundred forty flights were canceled as of five twenty pm ET on Friday, according to FlightAware dot com.
## All flights accounted for
The FAA posted on X that every flight has been accounted for and international flights will be handled on a case by case basis.
## Key takeaway

The FAA grounded all U.S. flights Friday due to an air traffic control outage, with over nine thousand flights delayed and four hundred forty canceled as of five twenty pm ET.