Originally Posted by BlueSkies

Yes. So assuming you want to fly on those days (and aren't dropping the trip for certain days off), pick the trip in Dec. with the highest BLOCK on day one to get the most pay out of your PB. Credit pays out on the last day of the trip, so that's why I mention looking at the block time on day one.

You can WS/GS for sure on the last 3 days of the trip, don't have the SRH handy but someone else can answer if you can fly over day one (you cannot fly over any day dropped using your APD or IVD).