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The Federal Aviation Administration ordered a nationwide ground stop on all departing flights Friday, citing “extraordinary circumstances” and safety concerns. The agency’s alert gave no additional details beyond instructing that “all departing traffic should remain ground stopped until further notice.”
FAA Issues Rare Nationwide Ground Stop
Nationwide ground stops are extremely rare in the United States. The FAA also noted that inbound international flights would be managed on a case-by-case basis. Transportation Secretary Sean Duffy confirmed that FAA technicians were actively investigating the issue and promised immediate updates as information became available.
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Shortly before the FAA issued its nationwide alert, both major Chicago airports — O’Hare International and Midway International — already appeared on separate ground stop alerts. Officials cited an “equipment outage” as the cause at those airports, according to NBC Chicago.
Historical Context for Nationwide Ground Stops
Events of this scale are exceptionally uncommon. The most notable precedent came after the September 11, 2001, terrorist attacks, when the FAA halted all civilian air traffic across U.S. airspace. Authorities ordered every airborne plane to land at the nearest available airport.
More recently, in January 2023, the FAA grounded all flights after a failure in the Notice to Air Missions system. That system alerts pilots to a wide range of potential hazards. The 2023 outage caused significant disruption across the country before authorities restored normal operations.
Investigation Ongoing
As of Friday, FAA technicians continued to investigate the cause of the latest ground stop. Officials had not yet identified a specific technical failure or external factor behind the decision. The agency’s alert described the circumstances as “extraordinary,” though it offered no further explanation.
This is a developing story, and further details are expected as the investigation progresses.
