Can someone help me understand how to identify NRSAs on the upgrade list? I'm seeing this upgrade/standby list for UA152 tonight. I was under the impression that being on the standby list and the upgrade lists means that one is an NRSA, but then how come we have ELM, R, who's lowest priority on the upgrade list but presumably already has a seat in Y as they are not on the standby list. And then we have the two DUO, Ks who are lower than the nonrevs in standby priority but aren't eligible for PP or Polaris even if seats are available? Am I missing something in understanding how to read the upgrade waitlist?

Standing by:
1. DUN, A.
2. RAN, P.
3. SRA, Y.
4. NGU, T.
5. DUO, K.
6. DUO, K.

PremPlus waitlist:
1. DUN, A.
2. RAN, P.
3. SRA, Y.
4. NGU, T.
5. ELM, R.

Polaris waitlist (seems exactly the same as the PremPlus waitlist):
1. DUN, A.
2. RAN, P.
3. SRA, Y.
4. NGU, T.
5. ELM, R.