Southwest Airlines has achieved success through a low-cost leadership strategy while maintaining high customer service standards. An analysis of Southwest and the airline industry examines Southwest's internal strengths like its unique culture and cost-cutting approach. The airline industry forces model reveals threats from substitutes and supplier bargaining power. Opportunities exist for Southwest in international expansion, though changing consumer preferences pose challenges to its stripped-down model. Future industry profitability depends on balancing low fares with improving onboard experiences.