Originally Posted by KobayashiMaster

No, it still wouldn't work. You don't have a "line". You don't really have a "Base" in the traditional sense either but that's a longer discussion. They will send you to other bases, off your route, without your consent or prior coordination. They will have you sit reserve for bases that aren't yours but you're still expected to be within 2 hours of your assigned base. The term "line holders" is meaningless there. You go where the fling you... Full stop!

Oh, and as was mentioned before, you usually don't know what your schedule is going to be until 5 days before the month starts.

It's chaotic and unpredictable.