The article highlights Delta Air Lines' strong performance over the past 15 years, with an average annual return of 14.13%, significantly outpacing the market. This long-term growth trajectory suggests a positive outlook for DAL, making it an attractive option for investors looking for stable, long-term investments. The emphasis on compounded returns further underscores the potential for sustained growth, likely contributing to a positive short-term impact on DAL's stock price as investors are reminded of its historical performance.