Originally Posted by Flyby1206

Spirit's CASM is soooo far below AA or any of the legacy carriers that it would be a bloodbath for AA to try fighting them.

Honestly the legacy carriers probably dont care about Spirit at this point since Spirit is taking the very low yielding price sensitive travellers, not the business/high yield and international stuff.

The great thing is Spirit can act as a thug in case anyone gets the bright idea to start up a new carrier.