Originally Posted by
Peoriaman1
Was SFO socked in with heavy fog? If the fog clears they might decide to take the opportunity and depart with little advance notice.
No, weather was clear. There had been some rain about 5 hours earlier, but it had cleared up by 8 pm. Also, usually with that kind of issue, they give the excuse of "weather" as a reason for the delay, so that they don't have to pay compensation.