Originally Posted by
Often1
See if Saver space opens on the xIAD. As you are ticketed in C, but don't likely care about F on the domestic micro-hop, you still need the F Saver to reticket or UA will reprice the entire itinerary xLIS.
You may find UA more willing to do this closer in, especially if you are willing to accept a Y seat on the domestic.
That might be a decent option. A one-way award from IAD-CLE could get the OP home sooner and not cost much more than a taxi or Uber from IAD to DCA.