US flights resume after ground stop; 15,000 delayed or cancelled amid travel chaos

US flights resumed after a nationwide ground stop, as authorities began lifting the FAA directive that had halted departures at airports across the United States. The American Bazaar reports that the halt was in effect while officials considered evolving safety concerns, with the broader disruption continuing to create travel headaches across the country.

The disruption affected a large number of travelers, with estimates of around 15,000 flights delayed or canceled during the ground stop period, according to The American Bazaar’s coverage. The material notes that the scale of the disruption prompted widespread travel headaches nationwide, though it does not provide precise locations or flight numbers tied to individual incidents.

Across other outlets, the scope is described similarly: passengers waited in limbo as flights were delayed and canceled during the nationwide FAA ground stop, with the Toronto Star synthesizing coverage from multiple outlets and noting broad delays and cancellations at U.S. airports in the midst of the disruption. The reporting emphasizes scale rather than pinpointing specific flights, times, or aircraft types.

Al Jazeera and CBC describe the root cause of the stoppage as a communications issue affecting air traffic control coordination, characterizing the stoppage as extraordinary and temporary. They indicate that aircraft already in flight would continue to their destinations under the last assigned clearances, while new takeoffs were withheld during the halt. Detroit Metropolitan Airport and O’Hare International Airport are highlighted in their reports as examples of affected facilities, with O’Hare cited as a notable carve-out during the period.

Regional outlets in the compiled material note that O’Hare held departures from 1:00 p.m. to 2:15 p.m. local time due to thunderstorms nearby, with weather described as mostly cloudy with rain and potentially gusty storms in northwest Indiana. These weather-related restrictions are described as a regional detail within the broader national disruption, and coverage indicates that the pause could be extended depending on evolving weather and the investigation.

Vancouver Sun and CityNews Calgary cover the downstream effects and the eventual resumption of flights. Vancouver Sun describes that flights resumed after the ground stop but that chaos persisted at U.S. and Canadian airports as operations adjusted to the reopening. CityNews Calgary emphasizes updates from YYC Calgary International Airport regarding changes in cancellations and U.S.-bound departures following the FAA action, without detailing specific flight figures or routes.

France 24 relays sector-wide statements that officials clarified the incident did not stem from a cyberattack or a broad Microsoft outage, and that airspace was now open and able to handle normal operations again. Transportation Secretary Sean Duffy attributed the disruptions to aging or outdated infrastructure hardware, describing the incident as arising from “old hardware” contributing to the travel chaos.

Overall, reporting indicates that the FAA ground stop was described as nationwide and temporary, with aircraft already airborne continuing under last clearances. Dispatchers and airline operations were expected to rely on ATC Zero-style procedures for the duration of the halt, and carriers warned of knock-on delays as schedules were gradually restored. The end-time for the stoppage was not uniformly stated in the initial advisories, though subsequent coverage notes that operations were being resumed and normalized in stages as authorities assessed the situation and began reinstating departures.