Originally Posted by
SFTNYC
If I understand correctly, the problem is AF/KL are selling DOD cash upgrades before all GUCs have cleared (in addition to the revenue dilution issue already pointed out - why pay full price for something now you think you may get for a steep discount later)
No, KLM was selling unsold seats after clearing at Ultra last minute... Seats that would have stayed empty. I think most of the times those planes leave with full D1 so not buying D1 and gambling youll get it at the airport would be a long long long shot and not realistic.