For me it depends ENTIRELY on what I’m doing and I suggest people do what works best for their specific applications and workflow.  Just a few examples: If I’m needing to monitor and edit the schedule a lot while drawing—especially when working on a single screen, then the schedule goes right there in the plan view.  This is commonly the case for me when I’m setting up a schedule for a very specific purpose and I need to make sure everything is just right (I do this with cabinet schedules