Denver (DEN) to St. George (SGU): On-Time Performance
Data through July 2026
The calendar drives reliability on DEN–SGU. November 2025 flights landed on schedule 96% of the time, but August 2024 dropped to 54% — a gap of 42 points. Across the full period the route averages 78% on-time against a national 78%.
- On-time
- 78%
- arrived <15 min late
- Avg delay
- 17 min
- completed flights
- Cancelled
- 0.4%
- Flights/day
- 2.9
- last 12 months
- Duration
- 1h 54m
- scheduled
- Distance
- 517 mi
Monthly on-time trend
Best time to fly from DEN to SGU
Aim for departures around 8 a.m. (90% on-time); avoid 2 p.m. departures (52%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 22 min |
| Tuesday | 79% | 16 min |
| Wednesdaybest | 82% | 13 min |
| Thursday | 77% | 16 min |
| Friday | 79% | 17 min |
| Saturday | 77% | 14 min |
| Sunday | 77% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft22%
- Airline operations48%
- National airspace system16%
- Weather14%
Frequently asked questions
- How often are flights from DEN to SGU delayed?
- 22% of DEN–SGU 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 17 minutes.
- What is the best time of day to fly from DEN to SGU?
- Departures around 8 a.m. have the best record (90% on-time), while departures around 2 p.m. have the worst (52%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DEN to SGU?
- The scheduled DEN–SGU flight time averages 1h 54m over 517 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are DEN to SGU flights cancelled?
- 0.4% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to SGU?
- August 2024 was the roughest month in this dataset, with only 54% of arrivals on time. The best was November 2025 at 96%. If your dates are flexible, that 42-point gap is worth planning around.
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Based on 2,086 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.