Route · DEN → SGU · 2020–2025 BTS data
Denver to St. George
The DEN–SGU corridor (Denver, CO → St. George, UT) runs ahead of the national average, served by 1 carrier across roughly 517 miles.
Data updated 2026-06-13
- 80.9%
- On-time
- +1.9 pts
- vs US avg
- 76 min
- Delay when late
- 4,670
- Flights
Cancelled
0.5%
Best Month
Nov 2025 95%
Worst Month
Aug 2024 54%
Distance
517 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 17 | 0 | 0 | OO |
| Nov 2025 | 88 | 4 | 0 | 0 | OO |
| Oct 2025 | 93 | 16 | 0 | 1 | OO |
| Sep 2025 | 90 | 11 | 0 | 0 | OO |
| Aug 2025 | 92 | 23 | 1 | 0 | OO |
| Jul 2025 | 92 | 24 | 0 | 1 | OO |
| Jun 2025 | 90 | 27 | 0 | 0 | OO |
| May 2025 | 93 | 16 | 0 | 1 | OO |
| Apr 2025 | 80 | 24 | 0 | 0 | OO |
| Mar 2025 | 85 | 12 | 0 | 1 | OO |
| Feb 2025 | 76 | 26 | 1 | 1 | OO |
| Jan 2025 | 84 | 23 | 0 | 0 | OO |
| Dec 2024 | 84 | 7 | 0 | 1 | OO |
| Nov 2024 | 82 | 18 | 4 | 0 | OO |
| Oct 2024 | 83 | 10 | 0 | 0 | OO |
| Sep 2024 | 57 | 12 | 0 | 0 | OO |
| Aug 2024 | 54 | 25 | 0 | 0 | OO |
| Jul 2024 | 52 | 14 | 0 | 1 | OO |
| Jun 2024 | 52 | 14 | 0 | 1 | OO |
| May 2024 | 53 | 8 | 0 | 0 | OO |
| Apr 2024 | 51 | 7 | 0 | 0 | OO |
| Mar 2024 | 54 | 7 | 2 | 0 | OO |
| Feb 2024 | 50 | 8 | 1 | 1 | OO |
| Jan 2024 | 53 | 8 | 0 | 0 | OO |
Cancellation Rate
0.5%
9 of 1,778 flights
Diversion Rate
0.5%
9 of 1,778 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Origin airport →SGU - St. George
Full on-time, delay-cause, and seasonal performance for St. George, UT.
Destination airport →Compare the two airports
See DEN and SGU side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to DEN–SGU.
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What the Data Says About DEN to SGU
4,670 tracked flights put the DEN to SGU pairing (Denver to St. George) at a 80.9% on-time rate, squarely in line with the wider network. Delays that do occur run 76.1 minutes on average. Across the 517-mile route and its 1 carrier, the trailing 24 months show 0.5% cancelled and 0.5% diverted (1,778 flights sampled).
The monthly split is wide on this route: Nov 2025 posted the strongest performance at 95% on-time, while Aug 2024 came in at just 54% - a 42-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.