| American Airlines* |
| Delta Air Lines* |
| Southwest Airlines* |
| United Airlines* |
| Select the first airline letter |
| Atlas Air |
| FedEx Express |
| Kalitta Air |
| UPS Airlines |
| United States Department of Transportation |
| Major airlines of the United States |
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American Airlines: Headquartered in Dallas/Fort Worth, it is the largest airline in terms of fleet size and passenger traffic. Delta Air Lines: Headquartered in Atlanta, it is known for its reliability and customer service. United Airlines: Headquartered in Chicago, it is a founding member of the Star Alliance and offers a significant number of international routes. Southwest Airlines: Headquartered in Seattle, it is the largest low-cost carrier, known for its unique boarding system and focus on domestic routes. JetBlue Airways: Headquartered in New York, it provides flights across the U.S., Caribbean, and Latin America. |