The FAA issues a nationwide ground stop for all US airports following “communication issues impacting multiple Air Route Traffic Control Centers”
The FAA issued an extremely rare nationwide ground stop at all airports due to “extraordinary circumstances” and “reasons of safety.”
Context & Ripple Effects
The disruption follows the FAA's 2023 Notice to Air Missions failure, after which traffic resumed only gradually, and contemporaneous reporting on the agency's effort to modernize air-traffic-control systems. Earlier computer failures in 2009 and 2015 had already shown how a central aviation-system outage can turn into widespread delays and cancellations.
First-order effects
- The FAA's ground stop halts departures across U.S. airports while technicians investigate communications affecting Air Route Traffic Control Centers; airlines and passengers lose the ability to begin scheduled flights.
- Airport operators and airline operations centers must manage aircraft, crews, gates, and passengers around an indeterminate departure hold rather than routine traffic flow.
Second-order effects
- Airlines' tightly sequenced aircraft and crew rotations are disrupted beyond the initial hold, forcing schedule recovery work and creating knock-on pressure on airport gate capacity.
- The outage puts the FAA's communications resilience under immediate operational scrutiny, alongside its earlier modernization challenges.
Third-order effects
- Repeated failures affecting nationwide flight operations strengthen the case for treating air-traffic-control modernization as a safety-and-continuity program, not merely an administrative technology upgrade.
- If outages continue to interrupt national traffic flow, aviation stakeholders will place greater value on auditable fallback procedures and system redundancy across the FAA's control infrastructure.
The trend: Aviation safety infrastructure is moving toward greater resilience and auditability as failures in centralized air-traffic systems impose network-wide operational costs.
Related: Safety auditability · FAA · FAA modernization challenges · FAA traffic resumes after NOTAM system failure
Related Coverage
- U.S. government grounds all flights across the United States ‘due to extraordinary cirumstances’ TechCrunch · Zack Whittaker
- Flights Halted Across US With FAA Citing ‘Reasons of Safety’ Bloomberg
- Live Updates: F.A.A. Declares a Rare Nationwide Ground Stop New York Times · Karoun Demirjian
- US aviation regulator grounds all departing flights Financial Times
- FAA Issues Nationwide Ground Stop ‘Due to Extraordinary Circumstances’ Gizmodo
- US grounds flights nationwide after air traffic control communications outage Reuters · David Shepardson
- FAA Issues Groundstop for Flights Across U.S. Wall Street Journal · Andrew Tangel
- US airports latest: All flights grounded by Federal Aviation Administration due to ‘extraordinary circumstances’ Sky News
- FAA issues nationwide ground stop CNBC · Leslie Josephs
- Flights are halted at airports across the United States due to unspecified “extraordinary circumstances,” FAA says The Colorado Sun
- FAA Orders Nationwide Ground Stop Due To Air Traffic Control Communication Issues Jalopnik · Daniel Golson
- FAA grounds all departing flights in America for just 2nd time since 9/11 after ‘extraordinary circumstances’ The Sun
- FAA grounds flights nationwide, including SFO, citing ‘extraordinary circumstances’ San Francisco Chronicle · Aidin Vaziri
- FAA Issues Nationwide Ground Stop, Halting All US Flight Departures The Daily Caller · Ashley Brasfield
- FAA orders rare nationwide ground stop due to ‘extraordinary circumstances’ TheGrio · Brandon Caldwell
- Nationwide ground stop ordered at airports, including Philadelphia International Airport: FAA 6abc
- FAA issues rare ‘ground stop’ for air traffic nationwide Columbus Business Journal · Andy Medici
- All U.S. airports shut down, Transportation Secretary Sean Duffy says Gothamist · Charles Lane
- FAA ground stop shuts down flights nationwide The Verge · Richard Lawler
- FAA issues nationwide ground stop due to “extraordinary circumstances” Hacker News
- To get access to the TAC/Intel feed, explore subscription options. The Air Current · Jon Ostrower
- National Weather Service reports nationwide radar website outage amid FAA ground stop News9.com · Cassidy Mudd
- Update on FAA's nationwide ground stop news.aa.com
- FAA grounds all flights in the U.S. until further notice: Reports cite Air Traffic Control outage Fast Company · Jennifer Mattson
- Salt Lake City airport halts all flights amid rare nationwide ground stop Salt Lake Tribune · Jordan Miller
- Flight status tracker: How to check online after FAA grounds all flights Mashable · Matt Binder
- FAA Orders Ground Stop For All Flights Across The U.S. (Updated) TWZ · Howard Altman
- JFK, LGA Airports impacted by FAA ground stop of all flights across U.S. due to unknown communication issue QNS · Shane O'Brien
- FAA Ground Stop Issued Due To ‘Extraordinary Circumstances’ SecurityWeek
- Federal Aviation Administration grounds flights nationwide Associated Press
- Inklings #033 📧 — Jensen • Westernized Chinese Open Models • Fixing Googlebooks Spyglass · M.G. Siegler
- FAA issues nationwide ground stop due to ‘extraordinary circumstances and for reasons of safety’ Los Angeles Times
- FAA Orders National Ground Stop for All US Airports Due to ‘Communication Issues’ CNET
- The FAA Is Rolling Out Its AI Air Traffic Tool Nationwide Gizmodo · Tom McKay
- New AI tech deployed in Atlanta's air traffic control. Here's what it does. Atlanta Journal-Constitution · Emma Hurt
- U.S. Grounds All Departing Flights Nationwide Amid Air Traffic Communication Outage Techstrong IT · Jon Swartz
- All Flights Halted Across U.S. As FAA Cites ‘Extraordinary Circumstances’ HuffPost · Sebastian Murdock
- Flights halted at airports across US due to air traffic control communications problems, FAA says Associated Press
- CNN Aviation Analyst Says 'It's Just Too Much of a Coincidence' FAA Rolled Out New AI Traffic Tool Right Before Nationwide Comms Outage Mediaite · Stephanie Kaloi
- So... they rolled out a new AI for ATC on Friday the 13th and now all flights are being grounded. First reported by Flavor Flav who was grounded at Boston Logan. — https://arstechnica.com/... @quinn@social.circl.lu · Quinn Norton
- FAA Expands AI Advice to Manage Air Traffic Congestion Across Entire US Airspace Slashdot · BeauHD
- FAA expands AI advice to manage air traffic congestion across entire US airspace Ars OpenForum
- ‘Deeply sorry’: Microsoft apologises for global outage, says network capacity upgrade triggered disruption; rules out cyberattack Moneycontrol
- FAA imposes nationwide ground stop on all flights Washington Examiner · Anna Giaritelli
- Mullin: No indication of ‘nefarious attack’ on FAA as DHS investigates root cause of telecom outage The Hill · Rebecca Beitsch
Discussion
-
@secduffy
Secretary Sean Duffy
on x
The @FAAnews issued a nationwide ground stop for all U.S. airports following a communication issue impacting all Air Route Traffic Control Centers. FAA technicians are investigating the issue. We will provide immediate updates as we have them.
-
@edmundlee
Edmund Lee
on x
1. Microsoft outage 2. FAA communications disruption 3. ???
-
@willguyatt
Will Guyatt
on x
Given the FAA announced earlier this week it was phasing out floppy discs from US air traffic control systems - nobody should be all that surprised about today's outage. https://www.reuters.com/...
-
@jackmirkinson
Jack Mirkinson
on x
i'm no “plane guy” but it seems bad that none of the planes can fly
-
@richontech
Rich DeMuro
on x
It's been 25 years since this happened... guessing the last time was September 11, 2001.
-
@richontech
Rich DeMuro
on x
Could this be a cyber attack? Super rare to ground stop all flights like this without an active incident?
-
r/TrueAnon
r
on reddit
✈️ 👀
-
r/LosAngeles
r
on reddit
FAA issues nationwide ground stop due to “extraordinary circumstances”
-
r/wallstreetbetsGER
r
on reddit
WW3
-
r/technology
r
on reddit
FAA issues nationwide ground stop due to “extraordinary circumstances”
-
r/USNEWS
r
on reddit
FAA issues nationwide ground stop due to “extraordinary circumstances”
-
@kimzetter
Kim Zetter
on x
“This isn't another 9/11. This is a telecommunication issue.” - Homeland Security secretary Markwayne Mullin. Gov does not suspect foul play, though not ruling out any possible cause.
-
@msftissues
@msftissues
on x
We have no indication that the FAA's nationwide ground stop is related to any Microsoft services.
-
@flighty
@flighty
on x
All signs currently point to a purely tech issue. ORD comms initially noticed an issue about 1 hour ago, and it seemed to spread, but only to in-air ATC comms (not airports). Good news is in-air planes make contact with Airport ATC to land safely, and those are working.
-
@acyn
@acyn
on x
Q: Could this be AI related? Mullin: We call it SI around here.
-
@senduckworth
Tammy Duckworth
on x
The safety of our skies is built on redundancies. Whatever led to the nationwide ground stop will warrant a thorough and complete investigation. As Aviation Subcommittee Ranking Member, I'll be demanding answers from the FAA.
-
@faanews
@faanews
on x
There has been a temporary telecommunications outage - out of an abundance of caution all flights have been halted. Every flight has been accounted for and international flights will be handled on a case by case basis.
-
@bunkieperkins
Bunkie Perkins
on x
Don't worry, the guy from Road Rules has this handled [embedded post]
-
@laralogan
Lara Logan
on x
For the second time since 9/11. Not sure what a “communication issue impacting all Air Route Traffic Control Venters” but no doubt people out there no and will explain. [embedded post]
-
@cernovich
@cernovich
on x
Jensen must become America's software and IT head as payback for his affairs. Two years hard labor in DC. [embedded post]
-
r/MichiganWolverines
r
on reddit
Did the team make it to Eugene?
-
@airspaceintel
Asi
on x
The current ground stop is not based on or a result of the SMART system, any product of ASI or our integration with FAA and ATC.
-
@kriszellner
Kris Zellner
on x
Wasn't so damn SMART was it [embedded post]
-
@mgsiegler
M.G. Siegler
on x
Between this and the Microsoft Outlook outage there's probably a good Copilot joke to be made here, but it's entirely too soon. [embedded post]
-
@djsnm
Scott Manley
on x
Coincidence? “The US government has expanded the use of an AI tool for advising air traffic controllers to assist in managing air traffic across the entire national airspace system.” https://arstechnica.com/...
-
@alexandermccoy4
Alexander McCoy
on x
Unclear if this has anything to do with the nationwide ground stop the FAA just called, but it's quite a coincidence that they rolled out their AI traffic management system... yesterday. https://gizmodo.com/...
-
@superjew75
Dr. Dreidel
on x
What a random coincidence they launched a new nationwide ai tool yesterday https://arstechnica.com/... [embedded post]
-
@thetomzone
Tom McKay
on x
Just last night from me @Gizmodo: the FAA rolled out an AI air traffic tool seemingly ahead of schedule this week. I have no idea if it's connected, but we're looking into it. https://gizmodo.com/...
-
@birdsnfrogs
@birdsnfrogs
on x
Interesting article that came out yesterday, November 12th, about this new AI system the FAA has rolled out to help with air traffic control! Anyways now time to log in on social media and take a big sip from my coffee to see what's up in the news today https://arstechnica.com/..…
-
@gbrumfiel
Geoff Brumfiel
on x
Ars Technica reported yesterday that the agency had expanded the use of an AI tool for air traffic management. Unclear if this is or isn't related to the communications issues being reported as part of the FAA nationwide ground stop. https://arstechnica.com/...
-
@emzorbit
Emily A.
on x
CNN notes today was the day the FAA was implementing a new AI system to help manage in/out traffic. There is no confirmation that this is the problem just that the timing is suspect. And we've seen issues before with new systems having trouble integrating with the old.
-
@eoinhiggins_
Eoin Higgins
on x
this came out yesterday, how are things going today? https://gizmodo.com/...
-
@brentmulligan
Brent
on x
FAA rolling out an “AI Air Traffic Tool” nationwide today and they also needed to issue a National Ground Stop today. Probably not a coincidence. Better this though than some kind of attack if this ends up being the issue. https://gizmodo.com/...
-
@gbrumfiel
Geoff Brumfiel
on bluesky
Ars Technica reported yesterday that the agency had expanded the use of an AI tool for traffic management. — Unclear if this is or isn't related to the communications issues being reported. — arstechnica.com/ai/2026/11/f...
-
@tiffanycli@mastodon.social
Tiffany Li
on mastodon
But I will laugh so hard if the reason is this: https://arstechnica.com/...
-
r/technews
r
on reddit
The FAA Is Rolling Out Its AI Air Traffic Tool Nationwide
-
r/UnderReportedNews
r
on reddit
The FAA Is Rolling Out Its AI Air Traffic Tool Nationwide
-
r/singularity
r
on reddit
The FAA rolled out its $875 million AI Air Traffic tool today with reassurances it would not affect safety
-
r/agedlikemilk
r
on reddit
FAA expands AI advice to manage air traffic congestion across entire US airspace
-
r/PrepperIntel
r
on reddit
FAA expands AI advice to manage air traffic congestion across entire US airspace
-
r/technology
r
on reddit
FAA expands AI advice to manage air traffic congestion across entire US airspace
-
r/politics
r
on reddit
FAA expands AI advice to manage air traffic congestion across entire US airspace
-
@eschatonblog.com
@eschatonblog.com
on bluesky
“Software update” [embedded post]