Spirit Airlines, known for its no-frills flying and ultra-low fares, filed for bankruptcy twice in a year. It's now canceling ...

PHILADELPHIA (WPVI) -- Long lines and short tempers could be found Monday morning at the Spirit Airlines check-in desk at Philadelphia International Airport. "Everything got canceled," said one ...

(CNN) — Time could be running out for Spirit Airlines to continue operating, which would be bad news not only for its employees and customers but for all people seeking low-priced flights. For decades ...

An ultra-low-cost carrier that's struggling to survive confirmed it would pull its two nonstop routes from Phoenix Sky Harbor ...