Airlines are rebuilding their schedules after a Federal Aviation Administration network failure prompted a nationwide ground stop Friday afternoon. The FAA said the technical problem began at about 3:30 p.m. Eastern on November 13 and that air traffic resumed at 8:15 p.m. The agency cautioned in its Sunday update that recovery would be gradual, making a direct flight-status check essential before a trip to the airport.
The FAA's preliminary explanation points to instability in legacy equipment after data flooded its telecommunications network at roughly 1,000 connection attempts every four to five seconds. The disruption affected communications and radar feeds. Investigators identified two possible sources of the excessive traffic: a radar site in Amarillo, Texas, and a radio communications site in El Dorado, Arkansas, where a contractor had been installing a new router.
Federal officials said the network stabilized after the two locations were blocked and broadcasting functions on new routers were disabled as a precaution. The FAA and its network provider are continuing the root-cause review. Those steps describe the immediate containment, not a completed technical finding about which component or action produced the failure. A final account should distinguish confirmed causes from measures taken while engineers isolated the problem.
The incident reached 17 of the country's 22 Air Route Traffic Control Centers and several terminal radar facilities, according to the FAA. The agency said some radio frequencies and radar feeds remained available, controllers and pilots used established procedures, and every aircraft landed safely. The ground stop prevented new departures while the system's stability was tested rather than attempting to maintain a full schedule during uncertainty.
For New York travelers, the practical effect can outlast the federal restriction. Aircraft and crews may be in the wrong cities, legally required crew-rest periods can affect later flights, and a cancellation can remove an airplane from several subsequent segments. A national schedule therefore does not return to normal the moment the command center cancels a ground stop. Airline notices remain the most specific source for an individual itinerary.
The FAA directs passengers to its National Airspace System status page for airport restrictions and air-traffic programs. That page describes system-level events, but it is not a substitute for the operating airline's record. A traveler should confirm the flight number, departure airport and scheduled time with the carrier before leaving home, then check the airport's ground-transport and terminal information separately.
The Port Authority's current weekly advisory already urges Kennedy, LaGuardia and Newark passengers to allow extra time, use mass transit where practical and pre-book parking when driving. Those standing recommendations are especially relevant during schedule recovery because terminal curbs and customer-service areas can remain crowded even after airspace restrictions end. Passengers using Kennedy should also account for construction-related roadway changes.
The next reliable public milestones are the FAA's final technical findings and evidence that airline schedules have stabilized. Until then, travelers should avoid treating a nationwide statement as a guarantee for a particular flight. The system is operating, according to the FAA, but Sunday remains a recovery period in which current carrier information, flexible ground travel and added time are the safest planning assumptions.
Passengers whose flights were canceled should use the airline's official refund or rebooking channels and preserve confirmations, receipts and notices. The FAA status page cannot change a ticket, while an airport terminal desk may have the same inventory as the carrier's app or telephone line. Keeping a written record helps if a promised refund, credit or baggage delivery later requires follow-up. Travelers should avoid unofficial links sent by text or social media during a disruption.
Primary sources: FAA nationwide ground-stop questions and answers; FAA National Airspace System status; Port Authority travel advisory for November 13 through 19. Reviewed November 15, 2026. Development: FAA recovery update published November 15, 2026.