They are not improving. Becoming more obvious that upgrades happen for TODs or Y or B. The rest is luck. You can no longer rely on status for an UG while 1K's sit in C on SFO-DEN or at least 5 1K's sitting in C on LAX-IAH, just unheard of prior to merger. There are a lot of conversations out there but what airline really has UGs for FF with a reliabie percentage?