Originally Posted by
sseron
(...)SS agent told me that several Signature members have migrated to other airlines because of all the changes LATAM have made.
I'd dare to say that over 90% of BS passengers already book premium cabins. For a typical Black Signature flyer, the service level is unchanged. It’s mostly those relying on upgrades all the time who are b*tchig about

. Personally, I fly 60% premium and 40% economy... but if you aren't hunting for upgrades, there’s really no reason to look elsewhere