Crankyflier analyzed this might be a good news for Southwest in that
- It will look as if WN has been in the leading edge, and
- If others follow, they will have to raise the fare.
Link:
https://crankyflier.com/2020/08/31/u...e-games-begin/
But UA will still have its own issue such as no residual fare remains if the new fare is lower. One advantage of UA would be no standby fee.