San Diego (SAN) to Salt Lake City (SLC) flights
Delta Air Lines, SkyWest Airlines, Southwest Airlines fly nonstop from San Diego International Airport to Salt Lake City International Airport, with about 61 flights a week in July 2026. The 626-mile flight takes about 1h 58m gate to gate.
- Distance
- 626 mi · 1,007 km
- Flight time
- 1h 58m
- Airlines
- 3
- Seats filled
- 82%
Airlines flying SAN to SLC
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Delta Air Lines | 33 | Airbus A321, Boeing 737-900ER, Boeing 737-800 | 261,035 | 1h 57m |
| SkyWest Airlines | 21 | Embraer E175 | 45,244 | 2h 3m |
| Southwest Airlines | 7 | Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-800 | 50,734 | 1h 50m |
| Horizon AirSeasonal or ended | n/a | Embraer E175 | 9,831 | 1h 57m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A321, Airbus A320neo, Airbus A320-100/200 | 18,570 | 2h 0m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
SAN to SLC flight schedule
12 flight numbers flew this route in August 2026, 9 of them almost daily. The first usually leaves at 6:29am and the last at 7:13pm. 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 1117Delta Air Lines | 6:29am | 9:34am | 31 | 96% |
| WN 1810Southwest Airlines | 7:55am | 10:50am | 28 | 64% |
| AS 3058Alaska Airlines · operated by SkyWest Airlines | 8:45am | 12:02pm | 13 | 100% |
| AS 3122Alaska Airlines · operated by SkyWest Airlines | 8:55am | 12:09pm | 18 | 93% |
| WN 2305Southwest Airlines | 9:45am | 12:45pm | 4 | n/a |
| DL 1177Delta Air Lines | 9:46am | 12:50pm | 31 | 93% |
| DL 1296Delta Air Lines | 1:25pm | 4:28pm | 31 | 84% |
| WN 3928Southwest Airlines | 3:45pm | 6:40pm | 24 | 42% |
| AS 3488Alaska Airlines · operated by SkyWest Airlines | 3:54pm | 7:02pm | 31 | 79% |
| DL 1210Delta Air Lines | 5:01pm | 7:59pm | 31 | 80% |
| AS 3017Alaska Airlines · operated by SkyWest Airlines | 6:49pm | 9:57pm | 26 | 69% |
| DL 1252Delta Air Lines | 7:13pm | 10:15pm | 25 | 87% |
Is SAN to SLC on time?
From September 2025 to August 2026, 83% of 3,241 flights arrived within 15 minutes of schedule and 0.7% were cancelled. Flights leaving around 6am were the most punctual (96%), those around 3pm the least (62%). Most delay time was caused by late-arriving aircraft (57%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Delta Air Lines | 1,756 | 88% | 10 min | 0.9% |
| Alaska Airlines | 942 | 78% | 14 min | 0.6% |
| Southwest Airlines | 436 | 73% | 14 min | 0.2% |
| Frontier Airlines | 107 | 85% | 17 min | 0.9% |
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 |
|---|---|---|---|
| 6am to 7am | 387 | 96% | |
| 8am to 9am | 196 | 89% | |
| 9am to 10am | 513 | 91% | |
| 1pm to 2pm | 429 | 83% | |
| 3pm to 4pm | 217 | 62% | |
| 4pm to 5pm | 136 | 74% | |
| 5pm to 6pm | 635 | 76% | |
| 6pm to 7pm | 93 | 66% | |
| 7pm to 8pm | 357 | 85% | |
| 8pm to 9pm | 85 | 73% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 220 | 31,127 | |
| September 2025 | 211 | 27,958 | |
| October 2025 | 241 | 31,378 | |
| November 2025 | 273 | 28,788 | |
| December 2025 | 298 | 32,527 | |
| January 2026 | 270 | 30,118 | |
| February 2026 | 260 | 31,034 | |
| March 2026 | 292 | 35,477 | |
| April 2026 | 279 | 34,579 | |
| May 2026 | 269 | 32,915 | |
| June 2026 | 261 | 34,695 | |
| July 2026 | 271 | 35,004 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.