New meaning to the longtime moniker, "Air Whiskey"...
Joking aside, this is not the first time there has been such an issue for Air Wisconsin on the United CPA...
https://abc13.com/united-passengers-...plane/3428100/
ZW has some of the lowest wages in the industry. I imagine turnover is pretty high and the lifestyle (lots of short legs, lower-end layover accommodations) is demanding.