full fare, then by status. an instrument is an instrument.
ewr and iah are not cpu-able
best use of an rpu is for hawaii
you could use a gpu but that's not the best use
http://www.travelcodex.com/2016/01/u...ines-upgrades/
1) Full fare tickets, ranked by fare class first and then elite status.
2) Upgrades using miles or systemwide/regional upgrade instruments, ranked by elite status (of the traveler), then fare class, and then time of request.
3) Global Services members and companions, ranked by fare class and then time of request.
4) Global Services members on award tickets with qualifying credit card.
5) Premier 1K members and companions, ranked by fare class and then time of request.
6) Premier 1K members on award tickets with qualifying credit card.
7) Premier Platinum members and companions, ranked by fare class and then time of request.
8) Premier Platinum members on award tickets with qualifying credit card.
9) Premier Gold members and companions, ranked by fare class and then time of request.
10) Premier Gold members on award tickets with qualifying credit card.
11) Premier Silver members and companions, ranked by fare class and then time of request.
12) Premier Silver members on award tickets with qualifying credit card.
13) “Tens of dollars” upgrades should be offered last, but if you’re offered one at check-in there are always scattered reports popping up that these clear before complimentary elite upgrades.