15 hàng · This is a list of airlines which have an air operator's certificate issued by the Federal Aviation Administration of the United States.. Note: Destinations in bold indicate primary hubs, those in italic indicate secondary hubs, and those with regular font indicate focus cities. For legacy carriers American, Delta, and United, the most strategic/well connected hubs are shown …

American Eagle and Executive Airlines based in San Juan, Puerto Rico are regional affiliates of American Airlines. The American Eagle network is the largest regional airline system in the world, with over 1700 daily flights to more than 150 cities throughout the United States, Canada, the Bahamas, the Caribbean and Mexico.

A list of all American Airlines. This list focuses on passenger airlines including international, intercontinental, intra-continental, domestic, and regional services. While the TSA and the airports themselves have taken most of the headlines recently, airline companies have continued to struggle over the past two decades, especially since 9/11.

Popular Airlines in United States. Alaska Airlines ‏(AS) American Airlines ‏(AA) United Airlines ‏(UA) Delta Air Lines ‏(DL) Spirit Airlines ‏(NK) Cape Air ‏(9K) Allegiant Air LLC ‏(G4) Frontier Airlines ‏(F9) JetBlue Airways ‏(B6) Boutique Air ‏(4B) Denver Air Connection ‏(KG)

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 revenue during a fiscal year, grouped accordingly as "Group III".