The anticipated capacity growth indicates a positive outlook for Frontier Group's operational scale and efficiency in FY24. The provided fuel cost range offers insight into expected operational expenses, which is crucial for profitability analysis. Given the direct impact of capacity growth and fuel costs on the airline's financial performance, this news is highly relevant and important for investors in ULCC. The positive growth projection is likely to foster investor confidence, suggesting a potential upward movement in ULCC's stock price in the short term.