Salt Lake City International Airport (IATA: SLC, ICAO: KSLC, FAA LID: SLC) is a joint civil-military international airport located about 4 mi (6.4 km; 3.5 nmi) west of Downtown Salt Lake City, Utah, United States. The airport, along with the much smaller Provo Airport (PVU) and Ogden–Hinckley Airport (OGD) 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. The airport sees 343 scheduled nonstop airline departures per day to 93 cities in North America and Europe. It is by far the busiest airport in Utah.

Salt Lake City International Airport continues to rank high for on-time departures/arrivals and the fewest flight cancellations among major US airports. The airport ranked first for on-time departures and arrivals and first for the percentage of cancellations as of April 2017. The airport is owned by the City of Salt Lake City and is administered by the municipal Department of Airports.