Southwest Airlines is losing its competitive advantage of low costs and customer-focused culture due to growth and competition from airlines like JetBlue. The document analyzes and proposes solutions to address Southwest's issues, including rebuilding employee morale through committees and rewards, implementing a new IT system to improve the customer experience, and shifting from a strictly low-cost to middle-cost strategy to regain market share. The solutions aim to restore Southwest's core values while adapting to changes in technology and competition.