As of December 2019:
(remember, this is not necessarily only looking at this month's upgrades, it's just based on the most junior in base)
CRJ Upgrade Junior to Senior
Code:
Equipment/Base FO Capt (months)
CRJ COS 1 4
CRJ MSP 1 4
CRJ DTW 1 5
CRJ DFW 4 11
CRJ ORD 1 12
CRJ FAT 1 13
CRJ DEN 2 18
CRJ ATL 4 18
CRJ IAH 4 22
CRJ SFO 3 31
CRJ LAX 3 33
CRJ PSP 3 35
CRJ TUS 7 39
CRJ SLC 3 49
CRJ PHX 4 57
ERJ Upgrade Junior to Senior
Code:
Equipment/Base FO Capt (months)
ERJ LGA 3 33
ERJ BOI 1 48
ERJ ORD 1 49
ERJ MSP 1 49
ERJ SEA 1 50
ERJ DEN 3 50
ERJ PDX 1 51
ERJ SFO 1 55
ERJ SLC 1 62
ERJ LAX 7 62
ERJ SAN 11 62