You cover them all on reserve. Once you are long call you can “proffer” (request) for a trip. If I think I’m getting tapped, I do this for a trip I like. Not sure about proffering on Short Call, I haven’t sat it under our current system.

But just bid the 190 and problem solved. Seriously, it’s a no brainer if you live in PHL. And if you’re coming from the military (especially Fighters) it’s a great way to learn the airline business quickly. Congested ramps and airspace, lots of legs, de-icing, delays, fast talking controllers with no patience. I say all this from my experience...