SFO is going down to one runway (landing) operation for the next twenty days due to the main runway 28L sinking in the middle at the intersection of runways one left/right. This is the runway they just did an overlay on two years ago.
Expect three hour delays and cancellations over the next month.
https://www.fly.faa.gov/flyfaa/flyfaaindex.jsp?ARPT=SFO&p=0
https://www.flysfo.com/media/press-r...-september-7th