San Diego International Airport is experiencing flight delays early Friday due to fog as the holiday travel period has begun. At 9:30 a.m. there were a total of 171 delays and 21 cancellations, according to FlightAware. There is a dense fog advisory in effect through 10 a.m. for the coastal communities lowering visibility down to 1/4 of a mile or less that impacted travel. According to AAA, 119 million Americans will travel this holiday season. San Diego airport is anticipating seeing 1.3 million people during an 18-day period which began Thursday and goes through Sunday after New Year’s Day. That’s about a 4 to 5% increase over last year, according to the airport. About 80,000 people will pass through the airport during this time period, according to the airport. Morning and evening are the busiest times, so travelers are advised to avoid those periods if possible. The flight board at San Diego International Airport around 7 a.m. on Friday, Dec. 20, 2024. On Thursday, there was traffic congestion on westbound North Harbor Drive. The airport advised travelers to allow additional time on their way to the airport. Travel Nov 25 Traveling during the holidays can be stressful. These tips can make it easier Travel Dec 16 9.9M SoCal residents expected to travel this winter holiday season, AAA says Tips for traveling during the holidays San Diego International Airport has the following tips to help smooth things out this holiday travel season: Make parking reservations in advance The roadways around SAN are changing. Due to the construction happening, the airport is alerting drivers to pay attention to the roadway signage Pack wisely and avoid bringing prohibited items in carry-on luggage Check your flight status before coming to the airport and arrive early There is a free electric shuttle bus service between the Old Town Transit Station and SAN. The electric shuttle buses operate seven days a week, with an average arrival time of every 20 to 30 minutes. The first pick up is at 4:45 a.m. and the last pick up/drop off at 12:30 a.m. Get dropped off or use a ride-share