Originally Posted by
jlarroulet
Opcion Upgrade has lower priority than every courtesy (coupon-based) upgrade, as doing it otherwise would devalue the frequent flyer program benefits. There's many reasons for that, one of the most important ones being that "opcion upgrade" is available to almost anyone -regardless of not being a latampass member or holding no elite status-
Another huge deal about opcion Upgrade is that is not a fare based system. So you can use it even if you are only flying with base fare.
Also with the new rules for Latam FF i think that a lot of elite status will be lossed after 2019