<font face="Verdana, Arial, Helvetica, sans-serif" size="2">Originally posted by hackensacknj:
Delta does.
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That's news to me. I thought they had free seat inventory controls. I have been told that there were no free seats on a flight (with cupon in hand) and that I would have to buy a ticket if I wanted to fly.
On the other hand, WN has no free seat inventory controls, just a few black out dates.