The Denver, Colorado-based Frontier Airlines is renowned for its low tickets and wide network that connects travelers to several locations throughout the United States, Mexico, and the Caribbean. Since its founding in 1994, Frontier has developed into a significant participant in the aviation sector, offering tourists affordable ways to see North America.The corporate headquarters of Frontier Airlines are located in Denver, sometimes known as the "Mile-High City," which also acts as the airline's main operational hub. The strategic location of Frontier in Denver places it as a major participant in the aviation sector and close to Denver International Airport (DEN), one of the busiest airports in the country.