<Tr> <Td_colspan="2"> Source: SLC Airport Authority FAA </Td> </Tr> <P> Salt Lake City International Airport (IATA: SLC, ICAO: KSLC, FAA LID: SLC) is a civil - military airport located about 4 miles (6.4 km) west of Downtown Salt Lake City, Utah in the United States . The airport is the closest commercial airport for more than 2.5 million people and is within a 30 - minute drive of nearly 1.3 million jobs . </P> <P> The airport is the fourth - largest hub for Delta Air Lines, as well as a hub for Delta Connection carrier SkyWest Airlines with nearly 300 daily departures, accounting for a 72.39% market share between October 2014 and September 2015 . Following Delta and Delta Connection, the largest carriers are Southwest Airlines (11.11% market share), American Airlines (3.43%), and Alaska Airlines (2.56%). </P> <P> In 2015, 22,141,610 passengers flew through Salt Lake City, representing a 5% increase from 2014 . The airport is the twenty - first busiest airport in the United States by passenger count . There were 324,955 aircraft operations (takeoffs and landings) in 2014, about 900 per day . The airport is the fifteenth - busiest airport in the United States, and the twenty - fourth in the world by operations . </P>

What airlines fly into salt lake city airport