Originally Posted by
Kmxu
Also behind all 1Ks with paid economy fares (from Y to G). If you purchase RN fare, your priority will be higher; only behind GS PPs and 1Ks with paid PremiumPlus.
You cannot "purchase [an] RN fare." RN is used for upgrades.
And it's absolutely unclear where someone on an ON award -- PremiumPlus -- ranks in the upgrade pecking order.