San Francisco International Airport encountered significant operational disruptions on June 22, 2026, as 225 flights were delayed and eight others were cancelled. These disruptions affected multiple airlines and caused widespread interruptions to scheduled travel.
Among the carriers impacted were United Airlines, Frontier Airlines, SkyWest Airlines, and Air Canada. The flight interruptions impacted routes connecting San Francisco with major domestic cities, including Chicago, New York City, and Las Vegas, as well as international destinations such as Montreal and Rome.
