How long do you idle in Orbit?

I have noticed that when a rocket is on the way to the platform, the "Period of Inactivity" timer will not make the platform leave until the rocket is there.

All the cargo I want to ship is preloaded into the dedicated rockets. For the cases where I dont have a full rocket to deliver - I am OK to have the currently orbiting hauler leave and have the next one pick it up

Given that, what do you think I should set my wait condition as? I am currently set at: