San Francisco International Airport encountered substantial operational disruptions on June 22, 2026, with a total of 225 flights delayed and 8 flights cancelled. These delays and cancellations are ongoing throughout the day, affecting a wide range of departures and arrivals.
Several carriers were involved in the disruptions, including United Airlines, Frontier Airlines, SkyWest Airlines, and Air Canada. The affected flights were traveling to important domestic hubs such as Chicago, New York City, and Las Vegas, as well as international destinations including Montreal, Rome, and Seville. Travelers on these routes faced delays or cancellations, impacting schedules across both US and overseas
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