Spirit has lost more than $2.5 billion since the start of 2020 and faces looming debt payments totaling more than $1 billion.

NEW YORK (AP) — Spirit Airlines, the largest budget carrier in the U.S., filed for Chapter 11 bankruptcy protection Monday.

Multiple U.S. airlines have undergone bankruptcies over the years, including United Airlines in 2002, Delta Air Lines in 2005 ...

Daily Memo: On Thin Ice, U.S. ULCC Pioneer Spirit Airlines Adapts is published in Aviation Daily, an Aviation Week ...