Southwest Airlines (LUV) - Market capitalization

Market cap: £18.89 Billion

As of March 2026 Southwest Airlines has a market cap of £18.89 Billion. This makes Southwest Airlines the world's 977th 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.

Market cap history of Southwest Airlines from 1996 to 2026

End of year Market Cap

Year	Marketcap	Change
2026	£18.89 B	17.37%
2025	£16.09 B	-1.04%
2024	£16.26 B	20.39%
2023	£13.51 B	-18.22%
2022	£16.52 B	-12.04%
2021	£18.78 B	-6.93%
2020	£20.18 B	-5.54%
2019	£21.36 B	5.6%
2018	£20.23 B	-29.58%
2017	£28.73 B	15.57%
2016	£24.86 B	32.14%
2015	£18.81 B	2.47%
2014	£18.36 B	129.54%
2013	£8.00 B	72.91%
2012	£4.62 B	7.91%
2011	£4.28 B	-31.78%
2010	£6.28 B	19.78%
2009	£5.24 B	20.59%
2008	£4.35 B	-3.59%
2007	£4.51 B	-26.35%
2006	£6.12 B	-19.26%
2005	£7.58 B	13.99%
2004	£6.65 B	-6.54%
2003	£7.12 B	5.79%
2002	£6.73 B	-31.11%
2001	£9.77 B	-13.71%
2000	£11.32 B	127.25%
1999	£4.98 B	11.15%
1998	£4.48 B	35.21%
1997	£3.31 B	77.86%
1996	£1.86 B

End of Day market cap according to different sources

On Feb 28th, 2026 the market cap of Southwest Airlines was reported to be:

£17.95 Billion

by Nasdaq

£18.89 Billion

by CompaniesMarketCap

Market capitalization for similar companies or competitors

Name	Marketcap	Market cap differencediff.	Country
Alaska Airlines ALK	£4.38 B	-76.78%	🇺🇸 USA
American Airlines AAL	£6.40 B	-66.12%	🇺🇸 USA
Delta Air Lines DAL	£31.82 B	68.44%	🇺🇸 USA
United Airlines Holdings UAL	£25.52 B	35.09%	🇺🇸 USA
SkyWest SKYW	£3.11 B	-83.49%	🇺🇸 USA
Jetblue Airways JBLU	£1.52 B	-91.95%	🇺🇸 USA
Allegiant Air ALGT	£1.38 B	-92.66%	🇺🇸 USA
Spirit Airlines SAVEQ	£37.77 M	-99.80%	🇺🇸 USA
Hawaiian Airlines HA	£0.69 B	-96.33%	🇺🇸 USA

What is the market capitalization of a company?

The market capitalization sometimes referred as Marketcap, is the value of a publicly listed company.
In most cases it can be easily calculated by multiplying the share price with the amount of outstanding shares.

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Market capitalization of Southwest Airlines (LUV)

Market cap: £18.89 Billion