As of early 2026, Southwest Airlines remains profitable, but it is currently navigating a significant "transformation" period to maintain its financial health. In January 2026, the airline reported record fourth-quarter operating revenues of $7.4 billion and projected a massive 330% profit growth for the full year 2026 compared to 2025. This surge is driven by a radical shift in their business model; for the first time in its history, Southwest is introducing assigned seating, extra-legroom cabin sections, and a "basic economy" fare to compete more directly with United, Delta, and American. Despite challenges like "Winter Storm Fern" in early 2026 and rising labor costs, the airline has maintained a healthy Piotroski F-Score (a measure of financial strength) of 8 out of 9. While their operating margins are lower than they were a decade ago (hovering around 1-2%), the airline's "all-Boeing 737" fleet strategy and its move to monetize seat selection are aimed at boosting its net margin. It remains one of the most stable industrial players in the U.S. transportation sector with a market cap of over $21 billion.