I suspect it won't be long till news breaks of them going Bankrupt !!
judging from the comments below the news article,,, from others, it probably won't be long till you see Frontier Employees standing on corners with signs, begging people to fly Frontier Airlines,,,,,
Frontier Airlines Article : http://www.kmbc.com/news/kansas-city/frontier-airlines-adds-fees-for-carryon-bags-sodas/-/11664182/19973256/-/format/rsss_2.0/-/kxncbsz/-/index.html

