I received the following from UA today:
We have a hard hat heads-up for you: From September 7–26, our friends at San Francisco International Airport (SFO) will have a major runway closed for repairs. This could lead to delays, but we're here to help!
If your plans are flexible, you might want to consider flying a day earlier or later or connecting in a different city. The good news is that we'll waive the change fee. Visit united.com or use the United app to check your flight status and find more information about your options on our Important Notices page.
Thanks for packing a little extra patience!
How bad do you think this will really be? They seem to be giving a gloomy outlook about it.
I'm booked to fly in and out during that time. Flying in I'm on UA on an 8am transcon from BWI. I figure that flight is fine, it's leaving too early for delays to start at SFO before its airborne. Coming home, I'm on WN leaving SFO around 2pm. Good news is I have 1:45 to make a connection in DEN, so hopefully ok.