Pioneering the Skies of the American Frontier. Frontier Airlines: Pioneering the Skies of the American Frontier. Frontier Airlines is an American ultra-low-cost carrier (ULCC) that has played a distinctive role in the aviation industry, focusing on providing affordable air travel options to a wide range of passengers. American ultra-low-cost airline Frontier Airlines offers service to a number of locations in the US, Mexico, Canada, and the Dominican Republic. It's crucial to remember that, despite the fact that its branding captures the essence of the American frontier, Frontier Airlines has no direct ties to the era of the country's pioneers. The airline was originally established in 1994, when it started flying as a low-cost carrier. Founding: Frontier Airlines was founded in 1994 and commenced operations in 1994. It is important to note that this is the second incarnation of Frontier Airlines, with the original Frontier Airlines operating from 1950 to 1986. It is based in D...