Tucson International Airport

The Tucson Airport Authority operates Tucson International Airport, which serves 3.6 million commercial airline passengers annually to 19 destinations in the United States. Airlines operating at TUS are Alaska Airlines, Allegiant Airlines, American Airlines, Delta Air Lines, Frontier Airlines, Southwest Airlines, Sun Country Airlines and United Airlines.

The Tucson area has more than one million residents and is home to the University of Arizona, which has an enrollment of more than 40,000 students. Industry clusters in the region include biotechnology, aerospace, defense...