1) Googling delayed NTP found this thread as the first result
2) Since my flight was delayed NTP I had not much to do but wait and see.
3) I've often found Flyertalkers are much more informed than official airline representatives.
4) There are official and unofficial SWA folks on the board and I thought maybe they'd respond here.. wasn't an urgent question anyway.
I'm guessing no time posted is probably right, about 15 minutes afterwards all the flights showed a time. I'm thinking maybe SWA scheduling was deciding what to do after yet another flight delay (and the ripple effect is has on the schedule). SWA moved me up to an earlier flight without any question, and my checked bags were moved and made it despite me moving to that flight as the doors closed and just a few minutes before pushback. Despite some 'enhancements' in SW that I don't like, Southwest still impresses me for their operational efficiency.