Originally Posted by elvissa
What is "the M cabin"? Please explain this concept, and how it differs from a booking class.
"P-class", we usually call it here, the terrible place in the back of SK European flights

. SAS boarding passes always say M, Y or C, which on European flights corresponds exactly to the three service classes. How much did your ticket cost? If it was reasonably cheap, it's a pretty safe assumption the booking class was W or lower, and only earns 25% points.