The parameters and utilization of PBS differs for each airline.
We force it to solve for every last flight hour while other airlines such as DAL will allow a “relaxed” solution that allows for some leftover open time.
The number of iterations goes up exponentially and takes much longer if you solve for every flight hour. It also creates more solution constraints failures and violates seniority to create an overall “global” solution.
it may be allowed in our contract but honestly in this day and age we should have results within hours not days after the closing of the bids.