I wouldn't be worried, Richard Anderson, and now Scot Kirby have show how fast things can can change.
United was literally defending itself against a hedge fund buying shares and diverting cash flow.
Their plan is seems solid, invest more in their profitable hubs, consolidate widebody flying.
As boomers retire with disposable income, the classic model of needing heavy business routes with large corporate accounts could be more dated. They claim they tried this in Asia and it was a money pit, and that was when Kirby was at AA.
They really just need to trim middle mgmt, and oil the current machine better.