The airline industry is a sector that provides air transport services for passengers and cargo. It includes various companies that operate aircraft to connect different locations around the world. Airlines can be classified into different categories, such as commercial airlines, which carry passengers, and cargo airlines, which focus on transporting goods. The industry plays a crucial role in global trade and tourism, facilitating travel and commerce. Airlines operate under strict regulations and safety standards set by organizations like the International Civil Aviation Organization (ICAO). They manage complex logistics, including flight scheduling, ticketing, and maintenance of aircraft. The industry has faced challenges, such as economic fluctuations and the impact of events like the COVID-19 pandemic, which significantly affected travel demand.