As of 2026, Southwest Airlines has undergone the most significant transformation in its 50-year history, moving away from its famous "open seating" model to a standardized assigned seating system. This change was implemented to meet modern traveler expectations and includes the introduction of premium seating options with extra legroom (up to 34 inches of pitch) in roughly one-third of the cabin. To improve operational efficiency and global reach, Southwest has also launched its first major international airline partnership with Icelandair and introduced overnight "red-eye" flights to serve transcontinental and Hawaii routes. Technologically, the airline has invested heavily in in-seat power, upgraded high-speed WiFi (free for Rapid Rewards members), and larger overhead bins to accommodate more carry-on luggage. While these changes have altered the classic "low-cost" feel, they have significantly improved the airline's reliability, digital self-service tools, and overall comfort, positioning Southwest as a more competitive player against major legacy carriers.