“Clear as mud” outlook for Spirit and Frontier drives downgrade from Raymond James (ULCC)

Delta Airlines, Southwest Airlines, United Airlines, American Airlines, JetBlue Airlines, Frontier Airlines, Spirit Airlines, Alaska Airlines, Allegiant Air. Assorted American Airlines company brands

Robert Way/iStock Editorial via Getty Images

Shares of Spirit Airlines (NYSE:SAVE) and Frontier Group Holdings (NASDAQ:ULCC) are both trading with a loss ~2% in premarket trading following a downgrade to both carriers from Raymond James as weaker fare trends and insufficient post