For you DEC heres the hire dates for most junior captains on latest vacancy
Dallas 145 3/2/17
Dallas 175 3/28/16
Chicago 145 8/14/17
Chicago 175 7/18/16
Chicago CRJ 10/24/16
Miami 145 11/20/17
New York 145 4/9/18

I'm too lazy to compare to the seniority list to see if there are people more junior in those statuses, this is just from this vacancy.