Southwest Airlines Co. (LUV)
Company research page
Southwest Airlines operates a low-cost domestic passenger airline across the United States.
- Fiscal year end in SEC snapshot
- December 31
- Annual report period end
- 2025-12-31
Air Transportation, Scheduled stocks
3 distinct companies in our coverage share this SEC industry code, including Southwest Airlines Co. (LUV), Delta Air Lines, Inc. (DAL), United Airlines Holdings, Inc. (UAL). Explore what each business does and open its annual filing below.
What this peer group tells you
The SEC classifies these issuers under “Air Transportation, Scheduled” (SIC 4512). A shared code is a starting point for finding comparable businesses. Product mix, geography and customers can still differ substantially. Read the company descriptions before treating the group as direct competitors.
Fiscal calendars in this group
Align the reporting periods before comparing annual results. Companies with different year ends report different 12-month windows.
| Fiscal year end (SEC) | Companies |
|---|---|
| December 31 | DAL, LUV, UAL |
Air Transportation, Scheduled stocks: company profiles and annual filings
Delta Air Lines, Inc. (DAL)
Delta Air Lines operates a major passenger and cargo airline with domestic and international routes.
- Fiscal year end in SEC snapshot
- December 31
- Annual report period end
- 2025-12-31
United Airlines Holdings, Inc. (UAL)
United Airlines Holdings operates a global passenger and cargo airline through United Airlines.
- Fiscal year end in SEC snapshot
- December 31
- Annual report period end
- 2025-12-31
Compare companies in this industry
DAL vs LUV
Compare Delta Air Lines, Inc. and Southwest Airlines Co.: business context, fiscal calendars and official filings.
LUV vs UAL
Compare Southwest Airlines Co. and United Airlines Holdings, Inc.: business context, fiscal calendars and official filings.
DAL vs UAL
Compare Delta Air Lines, Inc. and United Airlines Holdings, Inc.: business context, fiscal calendars and official filings.
Sources and method
Industry codes and annual filing references come from the SEC submissions snapshot linked to each issuer in our company catalog (snapshot ; newer filings may exist). Only groups with at least three distinct issuers, business descriptions and annual filing links are included. Multiple share classes of one issuer count as one company. This is a coverage directory, not a complete industry census or a ranking of investments.
SEC Standard Industrial Classification code list explains the classification system. Read our research methodology or browse all industry directories.
What do the air transportation, scheduled numbers leave unanswered?
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