Frontier and Spirit, two ultra-low-cost airlines, racked up the most complaints per passenger last year. (Photo by Joe Raedle) Through its online complaints and comments portal, the agency’s Office of ...
Frontier Group Holdings is rated sell due to persistent unprofitability despite favorable industry tailwinds and cost-saving initiatives. ULCC's Q1 revenue rose 9% YoY, but GAAP net loss reached $272 ...