United States

Top 15 largest US Companies in the Airlines industry by Market Cap

This is the list of the largest public listed companies in the Airlines industry from the United States by market capitalization with links to their reference stock.

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Top Airlines Companies from the United States as of Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
1 Delta Air Lines, Inc. $32.73 B United States US Industrials US Airlines
2 United Airlines Holdings, Inc. $26.90 B United States US Industrials US Airlines
3 Southwest Airlines Co. $19.37 B United States US Industrials US Airlines
4 American Airlines Group Inc. $7.67 B United States US Industrials US Airlines
5 Alaska Air Group, Inc. $6.18 B United States US Industrials US Airlines
6 SkyWest, Inc. $4.36 B United States US Industrials US Airlines
7 JetBlue Airways Corporation $1.58 B United States US Industrials US Airlines
8 Allegiant Travel Company $1.10 B United States US Industrials US Airlines
9 Frontier Group Holdings, Inc. $945.2 M United States US Industrials US Airlines
10 Sun Country Airlines Holdings, Inc. $669.4 M United States US Industrials US Airlines
11 Hawaiian Holdings, Inc. $654.3 M

(July 1, 2024)

 United States US Industrials US Airlines
12 Spirit Airlines, Inc. $362.4 M

(July 1, 2024)

 United States US Industrials US Airlines
13 Global Crossing Airlines Group, Inc. $56.7 M

(March 1, 2022)

 United States US Industrials US Airlines
14 Harbor Diversified, Inc. $29.2 M United States US Industrials US Airlines
15 Great Lakes Aviation Ltd United States US Industrials US Airlines

Top Airlines Companies from the United States as of Jul. 01, 2025

1. Delta Air Lines, Inc.

Company Profile: Delta Air Lines, Inc.
Market Cap (USD): $32.73 B
Country: United States
Sector: US Industrials
Industry: US Airlines

2. United Airlines Holdings, Inc.

Company Profile: United Airlines Holdings, Inc.
Market Cap (USD): $26.90 B
Country: United States
Sector: US Industrials
Industry: US Airlines

3. Southwest Airlines Co.

Company Profile: Southwest Airlines Co.
Market Cap (USD): $19.37 B
Country: United States
Sector: US Industrials
Industry: US Airlines

4. American Airlines Group Inc.

Company Profile: American Airlines Group Inc.
Market Cap (USD): $7.67 B
Country: United States
Sector: US Industrials
Industry: US Airlines

5. Alaska Air Group, Inc.

Company Profile: Alaska Air Group, Inc.
Market Cap (USD): $6.18 B
Country: United States
Sector: US Industrials
Industry: US Airlines

6. SkyWest, Inc.

Company Profile: SkyWest, Inc.
Market Cap (USD): $4.36 B
Country: United States
Sector: US Industrials
Industry: US Airlines

7. JetBlue Airways Corporation

Company Profile: JetBlue Airways Corporation
Market Cap (USD): $1.58 B
Country: United States
Sector: US Industrials
Industry: US Airlines

8. Allegiant Travel Company

Company Profile: Allegiant Travel Company
Market Cap (USD): $1.10 B
Country: United States
Sector: US Industrials
Industry: US Airlines

9. Frontier Group Holdings, Inc.

Company Profile: Frontier Group Holdings, Inc.
Market Cap (USD): $945.2 M
Country: United States
Sector: US Industrials
Industry: US Airlines

10. Sun Country Airlines Holdings, Inc.

Company Profile: Sun Country Airlines Holdings, Inc.
Market Cap (USD): $669.4 M
Country: United States
Sector: US Industrials
Industry: US Airlines

11. Hawaiian Holdings, Inc.

Company Profile: Hawaiian Holdings, Inc.
Market Cap (USD): $654.3 M (July 1, 2024)
Country: United States
Sector: US Industrials
Industry: US Airlines

12. Spirit Airlines, Inc.

Company Profile: Spirit Airlines, Inc.
Market Cap (USD): $362.4 M (July 1, 2024)
Country: United States
Sector: US Industrials
Industry: US Airlines

13. Global Crossing Airlines Group, Inc.

Company Profile: Global Crossing Airlines Group, Inc.
Market Cap (USD): $56.7 M (March 1, 2022)
Country: United States
Sector: US Industrials
Industry: US Airlines

14. Harbor Diversified, Inc.

Company Profile: Harbor Diversified, Inc.
Market Cap (USD): $29.2 M
Country: United States
Sector: US Industrials
Industry: US Airlines

15. Great Lakes Aviation Ltd

Company Profile: Great Lakes Aviation Ltd
Country: United States
Sector: US Industrials
Industry: US Airlines

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