Originally Posted by ConductUSP

If you take an "experienced fo" bonus at hire or take pay longevity credit, you are required to bid any and all open captain vacancies each month. If you don't yet have 1000 PIC qualifying hours, they will just skip over you.

Depending on base, you need around 3(ANC)-6(SEA) years seniority to hold a line as a captain at Horizon.