It major league foggy this mornig at SFO and the FAA has a ATC Ground Delay Program in effect - This airport has issued a Ground Delay Program affecting flights arriving between 8:00 AM Dec 29 and 10:59 PM Dec 29 due to WEATHER / LOW VISIBILITY. Flights are being delayed an average of 65 minutes.

The arrival rate has been cut from a max of 137 per hour to an average of 65 arrivals per hour.

Its been very foggy in the morning with Ground Delay/Flow control Programs in effect the last 3 days at SFO.