Your status should only come into play when other passengers are on
the exact same itinerary you are. Any airline would have done the same
thing. When there are any irregular operations, the airline needs to look
at all the inconvenienced passengers and do its best to accommodate
everyone as best as possible.

If I was United and you requested compensation for this, I would tell you
to take your business elsewhere. Sorry, I'm not trying to be rude, but
you should know what "standby" means by now.