Spirit Airlines Inc (NYSE:SAVE) updated its first-quarter FY24 revenue forecast to $1.265 billion, slightly below the consensus of $1.273 billion. The company anticipates first-quarter capital expenditures of about $30 million for its new headquarters and spare parts purchases. Spirit Airlines expects to end the quarter with $1.2 billion in unrestricted cash and equivalents, and a $300 million liquidity under its revolving credit facility. The adjusted operating margin is projected to be between (14.5)% and (13.5)%, with an agreement with International Aero Engines expected to boost liquidity by $150-$200 million for 2024. SAVE shares rose 8.6% to $4.54.