Originally Posted by st530

Appreciate the thoughts, but my far bigger concern is risk to my account and lifetime 1K status by skip-lagging the original SFO-XXX flight. That's why I posted in that thread (before mods moved it here). Not really concerned about what will happen if I double book UA segments, especially if, as suggested, I were to choose a different carrier for SFO-XXX. That solves the UA double-book issue but not the UA skip-lag issue. Maybe there is no better answer than "risk is low but if you want zero risk, don't do it," but curious if any prior reports of adverse consequences for first-ever skip-lag.