Airlines at Salt Lake City International Airport (SLC)
Salt Lake City, Utah KSLC #23 US airport by passengers
Airlines operating at SLC, ranked by number of departures.
On-time performance at SLC
Based on 30,598 departures from May 2026 to July 2026. A flight counts as late when it leaves 15 or more minutes after schedule.
17.4%Departures late
16.3%Arrivals late
0.59%Cancelled
12.2 minAverage departure delay
| Airline | Departures | Late |
|---|---|---|
| Delta Air Lines | 14,256 | 17.5% |
| SkyWest Airlines | 9,722 | 10.6% |
| Southwest Airlines | 2,789 | 32.4% |
| American Airlines | 1,213 | 24.0% |
| United Airlines | 1,152 | 23.1% |
| Frontier Airlines | 823 | 20.2% |
| Alaska Airlines | 478 | 22.8% |
| JetBlue Airways | 143 | 34.3% |
Source: Bureau of Transportation Statistics, On-Time Performance of reporting carriers. Smaller regional carriers and some airlines are not included.
Airline presence
Delta is the largest carrier at SLC and runs its hub here. United operates the new Phase 4 gates, and many domestic and low-cost airlines serve the airport.