What Happened
Mystery Balloon Adds to Chaos as Hundreds of Flights Delayed
San Diego International Airport experienced a significant disruption on Friday, September 4, 2026, when multiple drones were spotted near the air traffic control tower, triggering a 2.5-hour FAA ground stop. A separate high-altitude balloon was also tracked above the city, adding to the chaos. The incident delayed hundreds of flights, with some passengers experiencing waits of two to four hours. The TSA is investigating the drone activity, and the FAA has issued an all-clear. The incident was reported by Unknown Source.