The airport is the fourth largest and westernmost hub for Delta Air Lines and a major hub for Delta Connection carriers SkyWest Airlines and Mesaba Airlines with over 300 daily departures, accounting for a 75.63% market share in 2010. Following Delta and Delta Connection, the remaining of the top five largest carriers serving the airport are Southwest Airlines (12.36% market share), United Airlines and United Express (3.39% market share), American Airlines and American Eagle (2.55% market share), and US Airways and US Airways Express (1.80% market share).
A total of 21,016,686 passengers flew through Salt Lake City International Airport in 2010, representing a 2.81 % increase from 2009. The airport currently ranks as the twenty-first busiest airport in the United States in terms of total passengers. There were 362,654 recorded aircraft operations (takeoffs and landings) in 2010, representing approximately 994 operations per day. The airport currently ranks fifteenth busiest airport in the United States and twenty fourth in the world based on aircraft operations.
As of June 2009, there were over 450 scheduled airline departures per day to 109 nonstop destinations throughout the United States, Canada, and Mexico, as well as daily nonstop service to Paris and Tokyo. The airport currently has nonstop service to all of the top 45 destinations based on the U.S. Department of Transportation origin and destination survey.
Salt Lake City International continues to be highly ranked for on time departures/arrivals and fewest flight cancellations among major US airports. The airport ranked 3rd for on time departures, 5th for on time arrivals, and 3rd for fewest flight cancellations as of November 2010.
The airport is owned by Salt Lake City Corporation and is administered by the Salt Lake City Department of Airports. In addition, the city owns and operates two nearby airports, South Valley Regional Airport and Tooele Valley Airport. The airport is financially self-sustaining with revenue generated from airline and passenger fees, concessions, vehicle parking, fuel, and leases for office and hangar space. It is the only major airport in the country with no outstanding debts.
The airport began offering free Wi-Fi internet access in 2009.