Originally Posted by
fastair
It is tougher because you now have the CO flyer in the pool who flies on UA sometimes.
But easier because you now have the UA flyer in the pool who flies on CO sometimes.
Honestly, I'm amazed that we keep seeing this argument. Everything else being equal if you increase the FF pool by adding CO flyers and increase the seat pool by adding CO flights, on a systemwide basis there will be no impact on UG probability.