Airline Performance: Financial results like revenue, profitability, and passenger load factors significantly impact investor sentiment.

Fuel Costs: Jet fuel is a major expense; price fluctuations directly affect profitability, influencing stock value.

Economic Conditions: Overall economic health drives travel demand; recessions typically reduce demand, impacting airline stocks.

Regulatory Environment: Government policies, including air traffic control regulations and safety mandates, can affect operating costs and efficiency.

Competition: The competitive landscape within the airline industry, including pricing wars and market share battles, affects profitability and stock price.

Geopolitical Events: Events like pandemics, wars, and political instability can disrupt travel patterns and negatively impact airline stocks.