Nationwide Flight Ground Stop Issued by FAA Due to Outage

A nationwide ground stop hit U.S. airports on Friday, Nov. 13, after a communication issue disrupted Air Route Traffic Control Centers.

The Federal Aviation Administration (FAA) ordered all departing flights to remain on the ground due to what officials described as extraordinary circumstances and safety concerns. The disruption, which began around 3:54 p.m. ET, has caused significant chaos for travelers, particularly at major hubs like Philadelphia International Airport.

“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,” Transportation Secretary Sean Duffy wrote 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.

— Post by @SecDuffy on X

While the outage has halted departures, planes already in the air were not ordered to land immediately, according to phillyburbs.com. International flights currently en route to the United States are being managed on a case-by-case basis.

Technical failure disrupts airspace

The root of the standstill appears to be a technical failure rather than a security threat. Homeland Security Secretary Markwayne Mullin addressed the situation outside the White House, noting that investigators have not found evidence of foul play.

The FAA has issued a nationwide ground stop for departing flights at PHL and other U. S. airports due to an equipment outage. Contact your airline for the latest flight information.

— Post by @PHLAirport on X

“There wasn’t any indication yet that this was a nefarious act against us. It was just a telecommunication outage, as of right now,” Mullin told reporters.

The FAA’s advisory specifically cited frequency issues across the National Airspace System, which flight tracking company Flightradar24 linked to an equipment outage. This type of systemic failure strikes at the heart of aviation safety, as air traffic controllers rely on constant communication to maintain separation between aircraft.

At Philadelphia International Airport, the impact was immediate. Data from FlightAware showed 263 delays and 20 cancellations at the airport as of 5 p.m. Friday, CBS News reported.

Impact on travelers and flight status

A ground stop is a specific directive that prevents planes from taking off, but it does not automatically mean every scheduled flight is canceled. However, the ripple effects of a nationwide halt often lead to a cascade of missed connections and rescheduled departures once the system recovers.

The FAA advisory initially listed an effective period extending to 11:30 p.m. ET, but phillyburbs.com noted that the directive instructs departing aircraft to remain grounded until further notice, meaning the 11:30 p.m. timestamp is not a guarantee of service resumption.

Issued by the FAA just moments ago, ALL US airports are currently ground stopped. This means NO flights may depart for US airports. Flights already in the air will be allowed to land. This is related to an FAA equipment outage. pic.twitter.com/wgyuOXeF0k

— Post by @flightradar24 on X

Travelers are being urged to monitor their airline’s mobile apps or websites for real-time updates. Philadelphia International Airport confirmed the outage on X, stating that the ground stop applies to departing flights and advising passengers to contact their specific carriers for the latest information.