Originally Posted by
Xandrios
Why does that render the chart useless? An Y fare in Base/Standard/Flex would/should in all cases just earn the Y rate - like other airlines?
No , not realy , but long story short = airlines like TP or AC decided to compete in complexity and opacity with schrodinger's cat experiment . If you are a aeroplan or miles and go member and fly with the airline who owns the FFP then you are fine ; otherwise its a lottery