On June 21, 2026, San Francisco International Airport reported a significant number of flight delays and cancellations. In total, 225 flights were delayed and 8 flights were canceled, causing disruptions for travelers at this major West Coast hub.
Several airlines were affected by these disruptions, including United Airlines, Frontier Airlines, SkyWest Airlines, and Air Canada. The delays and cancellations impacted both domestic and international services. Key routes experiencing interruptions included flights to and from Chicago, Montreal, New York City, Las Vegas, Rome, and Seville.
