Sun Country Airlines Holdings, Inc. (SNCY) stock is soaring 5.24% in Friday's trading session, as investors react positively to the company's improved financial performance and promising growth prospects. The airline has demonstrated robust earnings growth and margin expansion, catching the attention of growth-minded investors.

According to recent reports, Sun Country Airlines has delivered impressive annual earnings growth of 15.2% over the past five years, with a significant acceleration to 28.8% in the most recent year. The company's profit margins have also shown improvement, rising to 5.3% from 4.3% year-over-year. Looking ahead, analysts project annual earnings to surge by 36.8%, further fueling investor optimism.

Adding to the bullish sentiment, Sun Country Airlines is currently trading at an attractive valuation. With a price-to-earnings ratio of 10.3x, below its peer group average, and a current share price well under its discounted cash flow fair value estimate, the stock appears undervalued. Analysts expect profit margins to expand significantly, potentially reaching 13.2% in three years, which could drive stronger net income and support the stock's upward momentum. However, investors should remain cautious of potential headwinds, including rising labor costs and expenses related to fleet upgrades, which may impact cash generation in the near term.