Just like at any airline, if you live in domicile, reserve is not bad. Under the recently ratified CBA at F9, effective May there are several enhancements to reserve, including:

1. Reserve can pick up trips on days off like line holders, and the pay goes on top of guarantee.

2. New reserve lines that have all 12 of your days off continuously, or in 4 days blocks, but not sure how many will be offered.