The airline is among the most heavily impacted by issues with RTX's Pratt & Whitney Geared Turbofan engines, which have forced it to ground multiple aircraft and resulted in high labor expenses and reduced capacity. The carrier estimates it will average about 25 grounded aircraft throughout 2024, while competitors expand their capacity in Spirit Airlines' core markets such as Florida. "While the domestic environment is improving, to date it has improved at a slower rate than the company had... Read this story