Originally Posted by bocastephen

What *would* cause a migration? A similarly sized airline with a global route structure that offered better comfort, better service and a more generous FFP, including upgrades and award seats. Most of us here are still waiting to see such a thing materialize. Maybe UA will continue to reinvent itself to become that very thing, but for now, CO is pretty much the best option out there for *many* domestic non-transcon oriented customers who must travel on a variety of fares. It all comes down to one's routes, flights and spending patterns. What works for one customer might not work at all for another.