Originally Posted by
canadiancow
Be careful. I was told today, on an unrelated matter, that they're allowed to retroactively change routing rules on you, thereby invalidating any bookings.
Then it'll be off to the DOT for me. I have a confirmed, ticketed reservation for which I transferred over a significant number of points from Amex, and if it's cancelled due to some ex post facto policy change, I will pursue every option available to me.