https://www.flyertalk.com/forum/alas...s-buckets.html

Easiest way to do this is T and E class availability on some engine that can actually look at fare classes (IDK if KVS or ExpertFlyer do). Or look on a OW partner's booking engine (which will show AS inventory available to partners). BA, AA might do the trick. Here's CX:




It's not a particularly high priority for AS to show visibility into fare class buckets on their booking engine to make it easier to book on a partner like SQ that can't real time query using their web engine (believe me, they have far more pressing problems/busted functionality).