Frontier Airlines activated eight new routes this week, directly reclaiming markets Spirit Airlines abandoned following its 2 May 2026 Chapter 7 liquidation. The ultra-low-cost carrier initiated daily service between Boston and Orlando, Dallas and New Orleans, and multiple Detroit connections to Fort Lauderdale, Philadelphia, and Las Vegas, with fares starting at $39. This domestic-only expansion targets U.S. leisure demand, leaving Spirit’s former Caribbean network untouched. Operators in the sector are pivoting rapidly to capture displaced passengers, with Frontier anticipating a 3–5% revenue per seat mile increase. The move underscores intense competitive pressure as rivals fill the vacuum left by the discount carrier’s sudden exit.