When PanAm collapsed in 1991, they still called up crews and whatnot until they send out the Telex to shut down operations in the midst of morning rush hour. Simply because they rsn out of cash at this moment.
So, something similar could happen here.
These morons with ex-moron CEO thought they could court business travelers and didn't know why FF business travelers didn't bite.
It's not the cost. It's that no one wants to sit in a seat with no recline and then have a 6 hour layover in the Denver hub since not enough direct flights to business hubs.
https://news.flyfrontier.com/frontier-airlines-announces-new-biz-travel-for-less-program-offering-convenient--rewarding-ultra-low-cost-business-travel/
If you into one way flights or cheap weekend fares with a backpack, Frontier all the way. But they're basically useless now with their shitty routes.