Originally Posted by
Courmisch
The wiki should be updated to reflect the ongoing reincarnation of P, T, E and W or whichever they were. I could do it myself, except that, as a non-pro customer, I have not gotten the proper documentation

I have amended the wiki.
Originally Posted by
Purjelentaja
It seems that N is new R, i.e. the cheapest booking class. Booked LH flights for January and upgrade naturally went to waitlist, but showing booking class U

Hm, for ZRH-HEL it is Z, O and Q before N according to the fares which are loaded.