In recent developments in the aviation industry, American Airlines has signed a conditional agreement with startup ZeroAvia to purchase 100 hydrogen-electric engines. This move is part of AAL's commitment to achieving net-zero greenhouse gas emissions by 2050. Concurrently, Southwest Airlines has taken defensive measures by implementing a shareholder rights plan to thwart Elliott Investment Management's stake-building efforts. This strategic step aims to maintain leadership stability within the company. Alaska Airlines has unveiled plans to introduce daily nonstop flights from Los Angeles to La Paz and Monterrey in Mexico, anticipating a boost in revenues through increased passenger traffic to these new destinations. Additionally, Ryanair reported a significant increase in passenger volumes in June, indicating a positive trajectory for the airline industry. The article also touches on the stock performance of major airline players, which exhibited a mixed trend over the past week. With air travel demand projected to surge during the summer, airlines are expected to enhance their capacity to meet the anticipated increase in demand. These developments underscore the ongoing dynamics and strategic movements within the aviation sector.