As of December 2025 Southwest Airlines has a market cap of โน1.952 Trillion. This makes Southwest Airlines the world's 1043th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 24th, 2025 the market cap of Southwest Airlines was reported to be: