Jazz is a Canadian airline that offers more flights to Canada than any other carrier. A smaller airline, Air Canada Jazz works as a contract carrier with Air Canada and serves smaller communities in the United States Canada. Jazz also offers charter flights.
American Eagle is a domestic carrier, a regional partner with American Airlines, and offers flights to over 150 locations throughout the U.S. American Eagle is also an affiliate of Executive Airlines, an international airline.
United and Continental Airlines have merged to create the largest commercial airline, which now offers over 18,000 flights to 162 countries. The newly formed company will keep the United name and will continue to operate out of the Cleveland Airport.
Delta merged with another prominent airline, Northwest, which created a global airline with operations in every world region. Continuing under the Delta name, the airline recently launched the industry's first social media ticket purchasing center which allows customers to purchase tickets directly from social media sites such as Facebook.
Frontier Airlines offers low cost flights to over 45 cities in the United States, Canada and Mexico. Frontier recently merged with another discount airline, Midwest, and will continue operations as Frontier.
Based on the number of domestic passengers it carries, Southwest is the largest U.S. carrier, offering over 3000 flights a day coast to coast. Southwest airlines flies to almost 70 cities in 35 states and remains one of the most widely known discount airlines.
US Airways and US Airways Express offer more than 3,100 flights per day. An international airline, US Airways serves the U.S., Canada, Mexico, the Middle East, Europe, the Caribbean and Central and South America.