Originally Posted by tbogart
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Just for curiosity, is there a possibility that a high fare paying Gold was given an upgrade at the 3-day window, while I, in this case a low-fare paying Plat, has yet to receive one?
According to the program rules, yes: only if that Gold was flying on a Y fare. The only way a customer can jump ahead of a higher tier is by paying full fare. Within each tier, customers are ranked by fares class from H down to L, with date of purchase being the tiebreaker.