Southwest Airlines to Migrate Entire Tech Stack to AWS by 2028

  • Southwest Airlines will transition from on-premises to a fully cloud-based, AI-enabled architecture on AWS by 2028.
  • The airline is using AWS's Kiro service to modernize Southwest.com, accelerating legacy code refactoring for 2,700 developers.
  • Southwest is adopting AI-driven development lifecycle (AIDLC) to transform software development across the organization.
  • The partnership aims to improve speed, flexibility, and reliability in operations, customer experience, and system scalability.

Southwest's shift to AWS aligns with the broader airline industry trend of leveraging cloud and AI technologies to streamline operations and enhance customer service. The move reflects a strategic pivot towards digital transformation, aiming to improve system scalability and operational efficiency. With over 134 million customers in 2025, the success of this transition could set a precedent for other airlines looking to modernize their technology infrastructure.

Execution Risk
Whether Southwest can successfully migrate its entire tech stack to AWS without operational disruptions.
Cost Efficiency
How the transition to cloud-based systems will impact Southwest's long-term cost structure.
AI Adoption
The pace at which AI-driven development will enhance Southwest's customer experience and operational performance.