Originally Posted by evdog19
Also, Air Canada sometimes "moves inventory" from J to Y, allowing them to sell more Hospitality tickets, when they think that might be better from a revenue standpoint. They will then on move people from Y to J via upgrades, or op-ups.
If this is the case and J=0 1 day before the flight, would one be able to upgrade with a pass or would the system not allow it because technically there is no space available in J?