Old Oct 26, 13, 2:40 pm
A FlyerTalk Posting Legend
Join Date: Aug 2010
Location: DCA
Programs: UA US CO AA DL FL
Posts: 42,270
Nothing. OP seems to be fishing for something and not providing information. That's really suspicious for a first-time poster.

OP - To answer your question, any UA agent can theoretically rebook you on any carrier, including one which actually requires UA to purchase a ticket for cash, e.g. WN. The agent's position (supervisor) may make a difference.

Whether and under what circumstances that happens or not, is entirely dependent on the specific set of facts. Bottom line is that many factors will come into play, you haven't told us what those are and thus nobody here can give you an informed judgment.
Often1 is offline