TTN

San Francisco International Airport saw 187 flight delays and 3 cancellations by mid-morning on November 9 due to dense fog and FAA ground stops. FAA ground stops also held departures at other US airports to prevent airspace congestion.

On November 10, 2026, the U.S. recorded over 1,331 flight delays and 59 cancellations due to thunderstorms and low clouds. Disruptions affected major airports including Boston, New York, Philadelphia, Washington, D.C., and Charlotte.

On November 9, 2026, the FAA issued multiple ground stops at San Francisco International Airport amidst dense fog and low clouds. These measures delayed 187 flights and led to cancellations, disrupting both arriving and departing flights.