Salt Lake City (SLC) to St. George (SGU): On-Time Performance
Data through May 2026
Salt Lake City (SLC) to St. George (SGU) effectively runs on two schedules. In December 2025, 97% of arrivals were on time; in July 2024 that fell to 78% — a 19-point seasonal swing. Across the full period the route averages 91% on-time against a national 78%.
- On-time
- 91%
- arrived <15 min late
- Avg delay
- 7 min
- completed flights
- Cancelled
- 0.1%
- Flights/day
- 4.7
- last 12 months
- Duration
- 1h 12m
- scheduled
- Distance
- 272 mi
Monthly on-time trend
Best time to fly from SLC to SGU
Aim for departures around 9 p.m. (98% on-time); avoid 5 p.m. departures (85%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 92% | 8 min |
| Tuesday | 91% | 7 min |
| Wednesdaybest | 93% | 7 min |
| Thursday | 88% | 9 min |
| Friday | 91% | 5 min |
| Saturday | 91% | 5 min |
| Sunday | 90% | 7 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Airline operations83%
- National airspace system4%
- Weather13%
Frequently asked questions
- How often are flights from SLC to SGU delayed?
- 9% of SLC–SGU flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 7 minutes.
- What is the best time of day to fly from SLC to SGU?
- Departures around 9 p.m. have the best record (98% on-time), while departures around 5 p.m. have the worst (85%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SLC to SGU?
- The scheduled SLC–SGU flight time averages 1h 12m over 272 miles. Actual arrival times vary — flights on this route land 15+ minutes late 9% of the time.
- How often are SLC to SGU flights cancelled?
- 0.1% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from SLC to SGU?
- July 2024 was the roughest month in this dataset, with only 78% of arrivals on time. The best was December 2025 at 97%. If your dates are flexible, that 19-point gap is worth planning around.
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Based on 3,186 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.