Route · SGU → DEN · 2020–2025 BTS data
St. George to Denver
The SGU–DEN corridor (St. George, UT → Denver, CO) runs ahead of the national average, served by 1 carrier across roughly 517 miles.
Data updated 2026-06-13
- 82.2%
- On-time
- +3.2 pts
- vs US avg
- 97 min
- Delay when late
- 4,671
- Flights
Cancelled
0.4%
Best Month
Mar 2024 96%
Worst Month
Jun 2025 66%
Distance
517 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 10 | 0 | 0 | OO |
| Nov 2025 | 88 | 6 | 0 | 1 | OO |
| Oct 2025 | 93 | 18 | 0 | 0 | OO |
| Sep 2025 | 90 | 14 | 0 | 3 | OO |
| Aug 2025 | 92 | 25 | 0 | 3 | OO |
| Jul 2025 | 92 | 26 | 0 | 2 | OO |
| Jun 2025 | 90 | 31 | 0 | 1 | OO |
| May 2025 | 93 | 30 | 0 | 2 | OO |
| Apr 2025 | 80 | 24 | 0 | 0 | OO |
| Mar 2025 | 85 | 12 | 0 | 0 | OO |
| Feb 2025 | 76 | 15 | 0 | 1 | OO |
| Jan 2025 | 84 | 6 | 0 | 0 | OO |
| Dec 2024 | 84 | 4 | 0 | 0 | OO |
| Nov 2024 | 82 | 8 | 3 | 0 | OO |
| Oct 2024 | 83 | 4 | 0 | 0 | OO |
| Sep 2024 | 57 | 5 | 0 | 0 | OO |
| Aug 2024 | 54 | 12 | 0 | 0 | OO |
| Jul 2024 | 52 | 11 | 0 | 0 | OO |
| Jun 2024 | 52 | 15 | 1 | 0 | OO |
| May 2024 | 53 | 6 | 0 | 0 | OO |
| Apr 2024 | 51 | 8 | 0 | 0 | OO |
| Mar 2024 | 54 | 2 | 2 | 0 | OO |
| Feb 2024 | 50 | 16 | 1 | 0 | OO |
| Jan 2024 | 53 | 13 | 0 | 0 | OO |
Cancellation Rate
0.4%
7 of 1,778 flights
Diversion Rate
0.7%
13 of 1,778 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SGU - St. George
Full on-time, delay-cause, and seasonal performance for St. George, UT.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See SGU and DEN side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SGU–DEN.
Routes with a similar on-time rate
What the Data Says About SGU to DEN
Bureau of Transportation Statistics records show St. George to Denver (SGU to DEN) running a 82.2% on-time rate over 4,671 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 97.0 minutes. The 517-mile corridor is served by 1 carrier, and over the last 24 months 0.4% of 1,778 flights were cancelled, 0.7% diverted.
The monthly split is wide on this route: Mar 2024 posted the strongest performance at 96% on-time, while Jun 2025 came in at just 66% - a 31-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from SGU to DEN? ▼
What is the cancellation rate for SGU to DEN? ▼
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Flight Guides
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.