Originally Posted by
miniliq
thanks!
bom-ewr originally booked in L -- yes, I bought an upgrade to apply a GPU -- which has not yet been subtracted from my account, and I got credits as if it were a Z fare. Not complaining! Just trying to figure out the rules.
Then the ZW is almost certainly correct. There have been plenty of issues with upgrades posting as Z rather than Z_ like they should. It remains to be seen how they will go back and clean things up.