Originally Posted by
coolbean
The only thing I can understand with these numbers are J2 (two J seats left - very low chance for me to bid upgrade) and J9 (9 J seats left - reasonable chance for me to bid upgrade). What do the other numbers mean?
Those are all the different fare classes or buckets. For AC upgrades J (number of biz class seats they are willing to sell) and maybe R (number of elite upgrades they are willing to confirm) are what matters.
For a general overview
https://www.kambr.com/articles/fare-...s-are-changing