[ad_1] A Spirit Airlines aircraft undergoes operations in preparation for departure at the Austin-Bergstrom International Airport on February 12, 2024 in Austin, Texas. Brandon Bell | Getty Images Spirit Airlines said Monday that it will defer deliveries of new Airbus planes and furlough about 260 pilots as it tries to boost liquidity. “Of course, these steps aren’t ones we want to take but they’re necessary to ensure a strong and profitable future for Spirit,” CEO Ted Christie said in a note to staff Monday. Spirit said it will defer all…