Every departing flight in the US stopped Friday.

Inbound international flights land only case by case, so connections collapse far beyond American airports.

A communication fault hit every Air Route Traffic Control Center, the regional facilities that direct planes between airports.

Two law enforcement officials said preliminary reports indicate this was not a cyberattack.

The Federal Aviation Administration has not named a cause or said when departures resume.

How each outlet framed it

drawn from 600+ reports worldwide

The New York Times
centers on the FAA's notice website going down and erasing dozens of listed advisories as the ground stop was issued
Le Monde.fr leans critical
TimesNow
sequences the order after radio and radar outages hit O'Hare and Midway, and gives the 5pm Eastern expiry
TRT World
Nikkei Asia
places the stop against the $12.5 billion Congress approved last year to fix the FAA's aging communications system
The War Zone
sets the stop against the 2023 pilot-alert failure and 9/11, and reports CNN officials' early view that it was not a cyberattack

Sources: The New York Times, The War Zone, Le Monde.fr, TimesNow, TRT World, Nikkei Asia