I'm sure the "cost neutral pay adjustment" is sorted, otherwise they couldn't calculate a profit share target. Only thing that makes sense is waiting for regulatory approval for some sort of changes (1,000hrs? 6 days off a month, specially for the 330 guys.) As has been said, they have had a year to sort this but you can't rush the GCAA.
Whatever the GCAA rubber stamp it won't be for our benefit.