Originally Posted by
100,000miler
You are right that P does not give one COS. Only basic mileage credits. Z gives one 50% COS on Aeroplan. Thanks for the warning which I am totally surprised at. LH Buz class sucks anyway. Swiss is much better.
LX is same, no 50% COS on P.
https://www4.aeroplan.com/earn_miles...rtner=SwissAir