Commercial airlines are an essential aspect of modern transportation. They transport people and goods across the globe, connecting countries and fostering economic growth. In addition to the term "commercial airlines," there are numerous synonyms to describe this industry. They include passenger airlines, air carriers, aviation companies, airline operators, and airline service providers. These synonyms represent the numerous companies and organizations involved in the aviation industry, from well-known airlines like Delta and United to small regional carriers. Regardless of the term used, the vital role of commercial airlines in shaping our global economy and connecting people across the world remains unchanged.