Z class is both the class of service used by some consolidators like Air Canada Vacations and for youth standby fares. Albert Pagliacci wrote: > Z Class on AC is not "Youth Standby". It's a consolidator fare class. Since > the beginning of this year, it's ineligible for mileage accumulation. That > explains why your Mileage Plus number does not register in the booking. > > Paper tickets are issued by TravelCUTS because they control the booking and > ticketing on these fares. If you needed to make changes, only TravelCUTS > can do it. > > FWIW, TravelCUTS tickets have gone up so much in price since the AC/CP > merger that sometimes you're better off buying an L Class ticket (published > discount economy) and get your miles.