Santa Ana (SNA) to Salt Lake City (SLC): On-Time Performance
Data through July 2026
Delta Air Lines effectively owns the SNA–SLC corridor, operating 91% of its flights and landing on time 86% of the time. That concentration hasn't hurt reliability: the route beats the national on-time average by 8 points (86% vs 78%).
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 13 min
- completed flights
- Cancelled
- 0.5%
- Flights/day
- 5.1
- last 12 months
- Duration
- 1h 56m
- scheduled
- Distance
- 588 mi
Best airline from SNA to SLC
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 88% | 20 min | 0.5% | 221 |
| Delta Air Lines | 86% | 13 min | 0.5% | 3,379 |
| Frontier Airlines | 86% | 9 min | 1.0% | 101 |
Monthly on-time trend
Best time to fly from SNA to SLC
Aim for departures around 7 a.m. (91% on-time); avoid 12 p.m. departures (75%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 16 min |
| Tuesday | 89% | 12 min |
| Wednesdaybest | 91% | 6 min |
| Thursday | 85% | 18 min |
| Friday | 86% | 14 min |
| Saturday | 87% | 15 min |
| Sunday | 82% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft44%
- Airline operations44%
- National airspace system7%
- Weather5%
Frequently asked questions
- How often are flights from SNA to SLC delayed?
- 14% of SNA–SLC flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 13 minutes.
- Which airline is most reliable from SNA to SLC?
- SkyWest Airlines has the best on-time record on this route at 88%, based on 221 flights. 3 airlines flew SNA–SLC frequently enough to compare in this period.
- What is the best time of day to fly from SNA to SLC?
- Departures around 7 a.m. have the best record (91% on-time), while departures around 12 p.m. have the worst (75%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SNA to SLC?
- The scheduled SNA–SLC flight time averages 1h 56m over 588 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are SNA to SLC flights cancelled?
- 0.5% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What day of the week is most reliable for SNA to SLC?
- Wednesday flights have the best record at 91% on-time. Day-of-week differences on this route are meaningful — Sunday trails at 82%.
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Based on 3,702 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.