Originally Posted by
HkCaGu
Less chance of stratus overall means higher likelihood of unplanned ground stops and GDPs which means more severe delays when it happens, especially for flights arriving in the 1000-1200 window.
The odds of flow control at SFO in October is very low. September/October is lowest risk period of the entire year. The concern isn't visibility related delays at SFO, it's the general risk of a delay for a variety of other potential causes. Delays have certainly been a problem with WN recently.