Originally Posted by
mersk862
If Golds are getting upgraded ahead of you, it's either their on full Ys (which a Gold on a full Y is ahead of a Plat on a L/U/T) are something is glitchy with the upgrade order. A Plat on a T (bought 2-3 weeks in advance) will always be ahead of a Gold on a B (or lower) fare if the system works right.
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You seem fairly well versed at the upgrade process, thanks for the detail. Any idea how they determine and break a tie? Example, two PM both with the same class ticket, which one gets the last seat in F?