Two things...
First of all, Captain Denny has asked us to dress up a bit for the flight, as we did in the past for the group flight. He provides service back from the "good old days," so I think it's only fair we reciprocate the same respect people treated flying with back in the good old days. Of course it's optional, but if you can, by all means do. I know I'll be wearing a suit, though that's not to say anyone else has to!
Second, it looks like the festivities might start a bit earlier on Saturday morning at SFO. Stay tuned for details on that, hopefully by this evening.