Originally Posted by OLYflyer

+1. My opinion is this is entirely a bean-counter internal metric. For just an example (not real #'s) if those on JFK-SFO bid an average at $500/ea vs those of JFK-SLC bidding $150 - DL can adjust the VDB metric to oversell more on the cheaper routes and less on those where pax have shown they value time more.

In reality I've seen the "bidding" page appear many times though in practicality never, ever seen it applied to what happens at the gate.