Originally Posted by nene

VERY seasonal. Summer, yes, busy, but ALV is high and you won't fly enough to "fill up" so reserve can often go senior.

Winter, can usually maneuver your schedule to never fly.

A lot of 6 day trips historically as well. When they fall into open time almost routinely they are broken into two 4 day trips which will either start or end with a DH day.

If you don't want to fly much, avoid reserve over weekends and any blocks longer than 4 days as much as you can.