Mesa Airlines is a regional American airline based in Phoenix, Arizona. The airline operates flights as a codeshare partner under the American Eagle brand for American Airlines and as United Express for United Airlines. Mesa Airlines has a history dating back to 1982 when it was founded by Larry and Janie Risley.

Initially, the airline operated as a commuter airline, serving the Southwest region of the United States. The headquarters of Mesa Airlines is located in Phoenix, Arizona. The company's main products and services include scheduled passenger flights, ground handling services, and aircraft maintenance.

Mesa Airlines operates a fleet of regional jets, including the Embraer E175 and Bombardier CRJ900. On a global scale, Mesa Airlines has several noteworthy joint ventures and partnerships. The airline operates as a regional affiliate for major airlines such as American Airlines and United Airlines.

Mesa Airlines also has partnerships with several international airlines, providing regional feed services to their networks. These partnerships have enabled the airline to expand its operations and presence in the global aviation market. In terms of market position, Mesa Airlines is one of the largest regional airlines in the United States.

The company has a significant market share in the regional airline sector and serves as a vital link connecting smaller communities to larger hub airports. Despite intense competition in the regional airline industry, Mesa Airlines has maintained a strong position and has established itself as a reliable regional carrier. In recent years, Mesa Airlines has focused on expanding its fleet and partnerships, further strengthening its position in the industry.

The airline has successfully secured several contracts with major airlines, allowing for continued growth and expansion. Mesa Airlines has also made significant investments in technology and customer service to enhance the overall travel experience for its passengers. As of the latest information available, Mesa Airlines continues to operate as a regional airline, serving numerous destinations in the United States under its partnerships with major airlines.

The company remains committed to providing reliable and efficient regional air travel services while seeking opportunities for further growth and expansion in the industry