FAA Issues Nationwide Ground Stop Citing Air Traffic Control Communications Failure

A system-wide halt affecting every U.S. Commercial airport raises immediate questions about the reliability of federal aviation infrastructure and the adequacy of contingency protocols at the FAA.

The Federal Aviation Administration issued a nationwide ground stop on November 13, 2026, halting flights at all U.S. Airports after a communications failure affected Air Route Traffic Control Centers across the country, according to a Washington Post report published the same day.

Transportation Secretary Sean Duffy confirmed the halt in a public statement, attributing the ground stop to, in his words, "a communication issue impacting all Air Route Traffic Control Centers." No further technical detail was made public in that statement. The specific system or systems involved had not been identified in public records as of the time of this report.

Air Route Traffic Control Centers, known as ARTCCs, are the FAA facilities responsible for directing aircraft flying at high altitudes between airports. The FAA operates 22 ARTCCs across the continental United States, Alaska, Hawaii, and U.S. Territories, according to FAA organizational records. A communications failure affecting all of them simultaneously would indicate either a shared infrastructure component or a centralized system dependency.

A nationwide ground stop is a formal FAA order requiring all departing flights to remain on the ground until the agency clears them for departure. Ground stops are issued for a range of reasons, including weather, airspace congestion, and equipment failures, but a simultaneous halt at every U.S. Airport linked to a communications system outage is a relatively rare operational event.

The most closely comparable recent incident was the January 11, 2023, failure of the FAA's Notice to Air Missions system, known as NOTAM, which grounded flights across the country for approximately 90 minutes. A subsequent Department of Transportation investigation found that the NOTAM outage was caused by a database file that was corrupted during maintenance, according to a DOT summary released in March 2023. Congress held hearings on FAA systems reliability following that event.

The FAA has been operating under sustained scrutiny regarding its information technology infrastructure. A 2023 Government Accountability Office report (GAO-23-105491) identified 51 FAA legacy systems it classified as "unsustainable or obsolete," including systems involved in air traffic control operations. That report recommended the FAA develop a comprehensive IT modernization plan with defined timelines and cost estimates.

Funding for FAA operations and capital programs flows through the annual FAA reauthorization process. Congress passed a five-year FAA reauthorization in May 2024 (Public Law 118-63), which included provisions for workforce hiring and infrastructure investment. Whether the communications system involved in the November 13 outage was among those targeted for modernization funding under that law is not established in currently available public records.

Secretary Duffy's jurisdiction over the FAA is defined under 49 U.S.C. Section 106, which places the FAA Administrator under the authority of the Secretary of Transportation. As of this report, the FAA had not released an incident report, a timeline of system restoration, or an estimate of the number of flights and passengers affected. Those figures, if disclosed, would appear in an FAA operational advisory or a formal after-action report filed with the Department of Transportation.

The airline industry tracks ground stop data through the FAA's Air Traffic Operations Network, known as OPSNET. Data from that system would show the duration of the ground stop, the number of flights delayed, and the facilities involved. OPSNET records for November 13, 2026, had not been published as of the time of this report.

Congressional oversight of FAA operations falls primarily under the Senate Commerce, Science, and Transportation Committee and the House Transportation and Infrastructure Committee. As of publication, neither committee had announced hearings or issued public statements in response to the November 13 ground stop.

What remains unknown is the specific technical cause of the communications failure, the duration of the full ground stop, the number of aircraft and passengers affected, and whether the affected system was one previously flagged in GAO or FAA internal audits. A formal FAA incident report and DOT inspector general review, if initiated, would be the records most likely to answer those questions.