From the PSA's APC Profile (Propagada) Page..
"Newly hired pilots are currently projected to upgrade to Captain in 25 months and flow through to American in less than five years."
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For today's new hire to upgrade in 25 months, he/she would have to have an average of 24+ pilots ahead of them either upgrade, flow, or leave the company,..... every month. Additionally, they'll need to have 600 pilots follow them into PSA and in order to backfill the F/O seats that they are leaving behind.
As for the flow in "less than five years", today's new hire would have to have 20+ pilots per month ahead of them, (on average) either flow, move-on, or decline the flow.
Possible? Yes.
Are these "best case" numbers? I think so.
Will today's new hire actually upgrade in 25 months and flow in LESS THAN 5 years? I doubt it.
Buyer beware.