Spirit Airlines Inc (NYSE:SAVE) is grappling with financial uncertainties after a federal judge rejected its $3.8 billion deal with JetBlue Airways Corporation (NASDAQ:JBLU). The decision, based on antitrust concerns, has forced Spirit to reassess its options in the wake of near-term debt maturities, with approximately $1.1 billion due in September 2025. As the low-cost carrier contemplates its next move, the risks associated with refinancing the impending debt are mounting, the Wall Street Journal noted, citing a Fitch Ratings report. The setback follows U.S. District Judge William Young’s ru…