FAA Issued Ground Stop at Phoenix Sky Harbor
Thunderstorms caused significant flight delays and diversions at the airport on Thursday morning.
Updated on Sept. 24, 2026 in Air Travel
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The Federal Aviation Administration issued a ground stop for flights heading to Phoenix Sky Harbor International Airport starting at 6:47 a.m. The order was implemented as thunderstorms created unsafe conditions, impacting air travel from cities including Los Angeles, Denver, and Dallas.
Why it matters
The ground stop was necessary to ensure safety during severe weather, as thunderstorms frequently restrict visibility and flight operations in the area. These disruptions highlight the sensitivity of air travel logistics to sudden meteorological shifts in the region.
FlightAware reported 33 flights delayed by 7 a.m., with the airport's official tally reaching 36 delays and 2 diversions. The ground stop specifically targeted incoming departures from Los Angeles, Denver, St. Louis, Dallas, and Houston.
The players
Federal Aviation Administration
This is the national agency responsible for the safety and regulation of all civil aviation in the United States.
Phoenix Sky Harbor International Airport
This is the primary commercial airport serving the Phoenix metropolitan area and one of the busiest hubs in the American Southwest.
The details
Thunderstorms moving through the area prompted the Federal Aviation Administration to pause incoming traffic to manage airport operations safely. Travelers faced immediate impacts as planes were held on the ground or diverted to secondary locations to avoid the storm activity.
Timeline
The ground stop order began at 6:47 a.m.
A total of 33 flights were delayed by 7:00 a.m.
The ground stop was scheduled to expire at 8:00 a.m.
Thunderstorms impacted airport operations throughout Thursday morning.
Additional storms are possible through the midafternoon and evening.
Travel Outlook
This ground stop follows the standard operating procedure established by the Federal Aviation Administration to manage air traffic during localized meteorological hazards. It reflects the broader reliance on centralized traffic control to maintain safety during extreme weather events in major aviation hubs.
Travelers should check with their airlines for updated arrival and departure times, as cascading delays are likely following the ground stop. If you are flying into Phoenix, prepare for potential changes to your schedule as unstable weather remains in the forecast throughout the day.
The takeaway
Travelers navigating through storm-prone areas should anticipate that FAA-mandated ground stops are a common and necessary safety measure for air traffic management. Keeping a close watch on airline notifications and airport flight trackers remains the best strategy for managing unexpected delays.
Further reading
For more information on current airport conditions, visit our Air Travel section.
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