Originally Posted by Delta3MM
OK - now you guys got me currious. I've always wanted to know where "Y" came from, or "C" for that matter. "F" makes some sense as does "P" (First, Premium).
AFAIK the 'C' originates from PanAm's
Clipper class. (PanAm was the first airline to introduce an additional class between Y and F to accomodate the business traveller.)
andy