Originally Posted by
wineandroses
I want more control over the upgrade decisions than I'd expect with an auto-upgrade process. Auto-upgrade might work for single-segment trips, but it gets "interesting" as soon as you add more. For example, I have an upcoming YVR - YYC - IAH itin. I'll only upgrade on the first leg if I can do it on the long one. Coming back - I'll take an upgrade on the long leg even if I can't get the short one.
Or for me, I fly YVR-YYC-FRA, and won't waste the 3 points on upgrading the YVR-YYC segment.