As of early 2026, Southwest Airlines has largely moved past the catastrophic operational meltdowns of previous years, having completed a massive $1 billion technological overhaul. The airline has significantly upgraded its crew-scheduling software and de-icing equipment to prevent the "cascading" delays seen in the past. More importantly, 2026 marks a historic shift in their business model; Southwest has officially transitioned to assigned seating and introduced "Extra Legroom" sections to compete with legacy carriers. While the change has caused some "growing pains" for longtime fans of the open-seating model, their operational reliability scores have returned to industry-standard levels. While minor delays due to weather or ATC still occur, the systemic "software-driven" failures that plagued them in 2022-2023 are no longer a recurring threat to travelers.