Originally Posted by
Often1
I can't pin this down, but it's my deep suspicion that DL uses the pre-departure VDB reverse auction as a means of gathering data about what people will accept rather than as an actual auction on a flight-by-flight basis.
In theory, if 95% of people on TCONs say they will take $50, that's what you will see as the VDB offer going forward.
That view is a little cynical but the economic logic does hang, yet I don't hear a lot of variation in the VDB amounts awarded for domestic mainline flights.