Overview

• Frontier announced 20 routes launching from late November 2025 into early 2026, focusing on Fort Lauderdale, Baltimore, Detroit, Houston, Charlotte and Dallas.
• Analysts estimate roughly 35% of Frontier’s capacity overlaps with Spirit, and most of the new routes are markets Spirit already serves.
• Introductory one-way fares start at $29 on select routes, alongside loyalty-status matching and product upgrades to attract switching customers.
• New flights include Fort Lauderdale to Detroit, Chicago, Charlotte, Dallas and Houston; Houston to Guatemala City, San Salvador and San Pedro Sula; and Baltimore to Cancun, Fort Lauderdale, Houston and New Orleans.
• Spirit recently warned it may not survive a year without additional cash and drew $275 million from its revolving credit facility, while Frontier plans to redeploy capacity to support the new schedule.