Airlines of United States

The United States has a diverse aviation market comprising 41 airlines, with four major carriers dominating the industry: Delta Air Lines, American Airlines, United Airlines, and Alaska Airlines. These full-service carriers operate alongside eight low-cost airlines, including Southwest Airlines and JetBlue Airways, which have captured a significant share of the domestic market. The busiest hubs are concentrated in major metropolitan areas such as Los Angeles, Denver, Chicago, and Las Vegas, serving as crucial connection points for both domestic and international travel.

Each U.S. airline page provides essential travel information including direct contact details, baggage allowance policies, and check-in procedures specific to that carrier. Whether you are booking with a major network airline, a low-cost operator, or a regional carrier, you will find comprehensive details to help plan your journey and understand what to expect before you fly.