Originally Posted by
laxmillenial
They're rumors. And they were even debunked by AA itself.
AA even confirmed SWUs will continue to allow Economy -> Business upgrade, not Economy -> PE.
Yes, the consistently reliable JonNYC calls the rumor "patently untrue."
It would make no sense whatsoever for UA to do this given their fare structure (particularly the W fare minimum), and would be inconsistent with how their JV partners LH and NH handle instrument upgrades.