San Francisco International Airport experienced significant travel disruptions on June 21, 2026, with a total of 225 flight delays and eight cancellations reported throughout the day. This has affected both domestic and international itineraries departing from the airport.
Several carriers, including United Airlines, Frontier Airlines, SkyWest Airlines, and Air Canada, were among those impacted by the delays and cancellations. Affected routes included key destinations such as Chicago, Montreal, New York City, Las Vegas, Rome, and Seville.
Passengers traveling from San Francisco International Airport on June 21 should anticipate extended wait times and possible adjustments to their travel plans due to
the ongoing flight interruptions.
