Major airlines of the United States

The United States Department of Transportation defines a major carrier or major airline carrier as a U.S.-based airline that posts more than $1 billion in operating revenue during a fiscal year, grouped accordingly as "Group III".

Airlines

The Bureau of Transportation Statistics updates the listing of major airlines once per year. According to operating revenues, 19 carriers meet the requirement for Group III status:

Mainline passenger

Alaska Airlines
Allegiant Air
American Airlines*
Delta Air Lines*
Frontier Airlines
Hawaiian Airlines
JetBlue
Southwest Airlines*
Spirit Airlines
Sun Country Airlines
United Airlines*

- considered one of the "Big 4" major U.S. national airlines

Regional passenger

Envoy Air
PSA Airlines
Republic Airways
SkyWest Airlines
Cargo
Atlas Air
FedEx Express
Kalitta Air
UPS Airlines