Originally Posted by
bennos
But, we now have something called "fare class families" which aren't defined anywhere, there no longer appears to be a documented fare class hierarchy (just "higher fare classes among all ticket types holding higher priority", and I guess that does make things "simpler" in that there's no documentation as to what the fare classes are, though we all know them)
That has all existed for years, it is nothing new. I'm not sure they very explicitly document the fare class hierarchy, but it is published on the website indirectly on the reservation search functionality where you can select a minimum fare class.