After the Federal Aviation Administration issued a ground stop Thursday night, the San Diego International Airport is experiencing major delays and cancellations early Friday. The ground stop came as a dense fog advisory is in effect for San Diego County’s coastal areas until 10 a.m. Friday. Dense fog over Del Cerro in San Diego on Jan. 3, 2025. By 7 a.m., there were more than 60 cancellations and delays, SAN’s website shows. FlightAware, an unofficial flight tracking website, was showing 216 delays and 38 cancellations. Flight status webpage at the SAN website on Jan. 3, 2025 at 6 a.m. (San Diego International Airport Website) The airport’s holiday travel period continues until Sunday, which means they estimate about 80,000 people leaving and landing at SAN daily between now and then. This is a developing story that will be updated as more information arrives.