Freight airlines are specialized carriers that transport goods and cargo rather than passengers. They play a crucial role in global trade by moving products quickly and efficiently across long distances. These airlines use various types of aircraft, including large cargo planes like the Boeing 747 and Airbus A330, designed to handle heavy loads. Many freight airlines operate on scheduled routes, while others provide charter services based on demand. They often work closely with logistics companies and freight forwarders to ensure timely delivery. Major freight airlines include FedEx Express and UPS Airlines, which have extensive networks for shipping packages worldwide.