Sources: 

Spirit Airlines is shutting down after its attempts to secure a $500 million bailout from the U.S. government fell through. CEO Dave Davis emphasized the company's unexpected demise, stating,
“We didn’t intentionally sell any tickets thinking we weren’t going to be here.”With its history of serving millions over 30 years, Spirit had entered bankruptcy in August and devised a plan known as
“Plan Charlie” in anticipation of potential failure. Following the collapse of talks, the airline declared it had begun an
“orderly wind-down of our operations, effective immediately.” All upcoming flights have been cancelled, with refunds processed for those who paid by credit or debit card.
Despite these measures, Spirit informed passengers that it could not reimburse other related expenses, such as emergency hotel stays or replacement flights. The airline’s operational challenges were exacerbated by soaring jet fuel costs related to the Iran war, marking the financial strain as
“the final nail in the coffin,” according to Savanthi Syth, an analyst at Raymond James. Spirit’s airport kiosks now bear a goodbye message, highlighting the grim reality of its closure.
Sources: 
Spirit Airlines is shutting down after failed rescue talks with the U.S. government for a $500 million bailout. CEO Dave Davis stated, "We didn’t intentionally sell any tickets thinking we weren’t going to be here," as the airline initiated an immediate wind-down of operations.