Originally Posted by entropy

there are more factors at play, first, if the agents can't/won't rebook on OAL, it makes VDBs harder to be accepted if the length of delay is unreasonable (e.g. there's an AA flight that leaves in 90 minutes or you can overnight on United and leave tomorrow afternoon. agent refuses to rebook on AA => IDB).

it might just be easier to get out the checkbook than screw around with SHARES to get the desired results. So yeah, add that to the SHARES "cost savings".