What is the market share of Southwest airlines?

As of my last update, Southwest Airlines holds a significant share of the U.S. domestic airline market, typically around 20%. This positions Southwest as one of the largest carriers in the country, known for its low-cost model and extensive route network. The exact market share can fluctuate due to various factors, including competition and seasonal travel trends. For the most current data, it's best to check the latest industry reports or financial announcements.