Southwest Airlines has been successful due to its low-cost operating model and focus on customer service. It was founded in 1971 with a mission of affordable air travel and friendly customer service. Southwest utilizes point-to-point routes with direct flights and focuses on maintaining low operating costs through fuel efficiency and high aircraft utilization. Its core competencies include low operating costs per plane, an economical route network, a customer-focused culture, and high aircraft usage. Key factors in its success have been maintaining low fares, safety, reliability, direct flights, quality service, and employee satisfaction.