5 Most Popular Airlines in the World

2. Southwest Airlines Co. (NYSE:LUV)

Annual Passenger Traffic: 123.3 million

Southwest Airlines is a well-known low-cost airline in the US with its headquarters in Dallas, Texas. The airline flies to many locations in North America, including well-known cities and vacation sites, with a fleet of more than 800 aircraft. 

Southwest has cultivated a devoted following of customers because of its distinctive business strategy. For instance, it allows its customers to cancel a scheduled flight 10 minutes before departure. The customer can then use the funds from the canceled flight for the next trip. 

Although it’s pretty popular among passengers, Southwest Airlines Co. (NYSE:LUV) reported a loss of $159 million in Q1 2023.