What went wrong for Spirit Airlines?

In November, Spirit Airlines filed for Chapter 11 bankruptcy protection. The icon of U.S. budget air travel hasn't had a profitable year since 2019, and it's lost more than $2 billion since 2020.How did it get here? The Covid-19 pandemic was devastating to all airlines, but that was just the start of Spirit's financial woes. The airline industry has faced supply chain problems and rising costs, including higher wages for its tens of thousands of employees. In addition, Spirit has faced a Pratt & Whitney eng ...