They do not because they have no knowledge how or what this arbitration can do. It is simple really. Two airlines. Three pilot groups. The arbitrators can either 1)take all three list and create a single list to their formula 2) take APA and a re-combined US list (using either their own formula or some some form of NIC) and create a list. What they DO NOT have to do is what everyone wants. They are NOT required to use the NIC. They are NOT required to use DOH. They are not required to consider LOS. In fact they can to do as they see fit as long as they can articulate it is fair and reasonable. If East and West focus their energy on their previous fight they will lose a lot to APA. This arbitration (as basically all are) is different than all previous. It stands on its own. No person can predict accurately what will happen. I do expect something close to UAL/CAL IF East and West cannot work together. If they can I would expect something a bit closer than UAL/CAL. I will predict the West will not be fenced from the East WB.