Originally Posted by
YEG USER
IMHO this statement is not accurate. When I first earned status with AC back in 2006 the top 2 T+ fares (or whatever they were called back then as there were numerous different names) could be upgraded with SWU within the window (these were B, H fares back then).
It was more complicated back then because only certain destinations allowed T+ upgrades with SWU. Now it's any M/U so it's a lot easier to manage.