Denver (DEN) to Salt Lake City (SLC) flights
Southwest Airlines, Delta Air Lines, United Airlines, SkyWest Airlines, Frontier Airlines fly nonstop from Denver International Airport to Salt Lake City International Airport, with about 151 flights a week in July 2026. The 391-mile flight takes about 1h 31m gate to gate.
- Distance
- 391 mi · 629 km
- Flight time
- 1h 31m
- Airlines
- 5
- Seats filled
- 79%
Airlines flying DEN to SLC
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 46 | Boeing 737 MAX 8, Boeing 737-700 / MAX 7, Boeing 737-800 | 300,351 | 1h 28m |
| Delta Air Lines | 34 | Airbus A220-100, Airbus A319, Boeing 737-800 | 168,334 | 1h 30m |
| United Airlines | 27 | Boeing 737-800, Boeing 737-900ER, Airbus A320-100/200 | 177,112 | 1h 32m |
| SkyWest Airlines | 23 | Embraer E175, Bombardier CRJ700, Bombardier CRJ200 | 86,990 | 1h 37m |
| Frontier Airlines | 21 | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 168,220 | 1h 32m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
DEN to SLC flight schedule
32 flight numbers flew this route in August 2026, 15 of them almost daily. The first usually leaves at 5:35am and the last at 10:13pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| DL 2544Delta Air Lines | 5:35am | 7:08am | 27 | 88% |
| F9 3219Frontier Airlines | 6:00am | 7:31am | 31 | 82% |
| F9 3981Frontier Airlines | 6:00am | 7:31am | 31 | 86% |
| DL 1581Delta Air Lines | 7:05am | 8:36am | 31 | 91% |
| UA 497United Airlines | 8:00am | 9:34am | 27 | 90% |
| WN 2192Southwest Airlines | 8:00am | 9:40am | 12 | 92% |
| WN 1680Southwest Airlines | 9:05am | 10:35am | 12 | 100% |
| WN 2580Southwest Airlines | 10:25am | 12:05pm | 8 | n/a |
| WN 1681Southwest Airlines | 10:35am | 12:05pm | 4 | n/a |
| WN 803Southwest Airlines | 10:55am | 12:25pm | 12 | 83% |
| UA 1963United Airlines | 11:44am | 1:18pm | 31 | 80% |
| WN 1089Southwest Airlines | 12:00pm | 1:35pm | 8 | n/a |
| WN 653Southwest Airlines | 12:35pm | 2:05pm | 12 | 92% |
| DL 1553Delta Air Lines | 12:54pm | 2:29pm | 31 | 79% |
| UA 1840United Airlines | 1:55pm | 3:28pm | 31 | 83% |
| WN 976Southwest Airlines | 3:25pm | 4:55pm | 12 | 33% |
| UA 2348United Airlines | 3:53pm | 5:23pm | 15 | 80% |
| DL 1623Delta Air Lines | 3:56pm | 5:33pm | 30 | 81% |
| WN 784Southwest Airlines | 4:00pm | 5:35pm | 4 | n/a |
| WN 3815Southwest Airlines | 4:05pm | 5:40pm | 8 | n/a |
| UA 5261United Airlines · operated by SkyWest Airlines | 4:29pm | 6:10pm | 10 | 74% |
| WN 972Southwest Airlines | 4:45pm | 6:15pm | 12 | 17% |
| UA 4787United Airlines · operated by SkyWest Airlines | 4:54pm | 6:36pm | 21 | 76% |
| UA 5762United Airlines · operated by SkyWest Airlines | 5:45pm | 7:30pm | 31 | 71% |
| DL 2663Delta Air Lines | 6:28pm | 8:10pm | 31 | 69% |
| WN 2135Southwest Airlines | 6:55pm | 8:30pm | 12 | 17% |
| UA 2769United Airlines | 7:25pm | 9:02pm | 30 | 52% |
| WN 192Southwest Airlines | 7:45pm | 9:20pm | 12 | 25% |
| WN 4734Southwest Airlines | 8:55pm | 10:30pm | 18 | 47% |
| UA 5646United Airlines · operated by SkyWest Airlines | 9:03pm | 10:43pm | 31 | 78% |
| WN 1459Southwest Airlines | 9:10pm | 10:45pm | 4 | n/a |
| F9 4251Frontier Airlines | 10:13pm | 11:44pm | 31 | 70% |
Is DEN to SLC on time?
From September 2025 to August 2026, 78% of 7,713 flights arrived within 15 minutes of schedule and 0.4% were cancelled. Flights leaving around 7am were the most punctual (92%), those around 7pm the least (66%). Most delay time was caused by late-arriving aircraft (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 2,701 | 80% | 14 min | 0.4% |
| Southwest Airlines | 2,280 | 72% | 16 min | 0.4% |
| Delta Air Lines | 1,699 | 82% | 15 min | 0.4% |
| Frontier Airlines | 1,033 | 82% | 11 min | 0.3% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 5am to 6am | 266 | 89% | |
| 6am to 7am | 253 | 93% | |
| 7am to 8am | 447 | 92% | |
| 8am to 9am | 659 | 90% | |
| 9am to 10am | 277 | 84% | |
| 10am to 11am | 317 | 82% | |
| 11am to 12pm | 566 | 80% | |
| 12pm to 1pm | 457 | 80% | |
| 1pm to 2pm | 585 | 83% | |
| 2pm to 3pm | 182 | 79% | |
| 3pm to 4pm | 786 | 80% | |
| 4pm to 5pm | 332 | 71% | |
| 5pm to 6pm | 442 | 67% | |
| 6pm to 7pm | 493 | 68% | |
| 7pm to 8pm | 525 | 66% | |
| 8pm to 9pm | 493 | 69% | |
| 9pm to 10pm | 330 | 70% | |
| 10pm to 11pm | 301 | 68% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 670 | 80,501 | |
| September 2025 | 649 | 80,275 | |
| October 2025 | 673 | 80,895 | |
| November 2025 | 584 | 64,339 | |
| December 2025 | 636 | 73,655 | |
| January 2026 | 643 | 71,397 | |
| February 2026 | 625 | 71,203 | |
| March 2026 | 677 | 73,103 | |
| April 2026 | 648 | 69,893 | |
| May 2026 | 671 | 76,137 | |
| June 2026 | 662 | 81,209 | |
| July 2026 | 668 | 79,486 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.