Originally Posted by
narvik
From what I've seen around here, those would be upgraded more like 0.75% of the time, nowhere near 75%.
UA tries to sell them rather than give them away.
My Plat upgrade % past two years has been 20-ish% on CPU routes, spokes, not hub to hub except once (EWR-IAD, sunday early morning)
And no flights in/out SFO (transcon or to another hub)