Salt Lake City International Airport is a joint civil-military international airport located about 4 mi west of Downtown Salt Lake City, Utah, United States. The airport, along with the much smaller Provo Airport and Ogden–Hinckley Airport are the closest commercial airports for more than 3 million people and is within a 30-minute drive of nearly 1.3 million jobs. The airport serves as a hub for Delta Air Lines and is a major gateway to the Intermountain West and West Coast.