Frontier Airlines, a persistent but unsuccessful suitor of Spirit Airlines, is adding six new big-city routes to and from ...

Spirit is in dire financial straits, and experts believe its collapse could trigger shifts across the low-cost airline sector ...

Frontier Airlines has gotten more aggressive for Spirit customers as its rival is on shakier financial footing.

Spirit Airlines faces an even more uncertain future after emerging from Chapter 11 bankruptcy. Now, the carrier is ...

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, the ...

Spirit Airlines stock plummeted 40% after it warned it could go out of business, while Frontier rose 29%. Less competition ...

Spirit is offering $85 one-way fares from Fort Lauderdale to promote the new route. Then, on Dec. 4, Spirit will begin three-day-a-week service from Fort Lauderdale to Grand Cayman, Cayman Islands.

The airline has been forced to ground a large portion of its A320neo fleet due to operational issues with the planes’ Pratt & ...

Spirit Airlines said going out of business is a real possibility. Here's what that means for Phoenix flyers and whether you can still fly on Spirit.

Spirit Airlines warned that “adverse market conditions” could shut down the carrier. What will be the impact on Las Vegas and ...

Spirit Airlines could end up in bankruptcy and be forced out of business because of a federal court decision to block a proposed sale to JetBlue Airways, according to a note from an airline analyst.