Route · DEN → BIS · 2020–2025 BTS data
Denver to Bismarck/Mandan
The DEN–BIS corridor (Denver, CO → Bismarck/Mandan, ND) runs ahead of the national average, served by 3 carriers across roughly 516 miles.
Data updated 2026-06-13
- 80.4%
- On-time
- +1.4 pts
- vs US avg
- 82 min
- Delay when late
- 6,863
- Flights
Cancelled
1.4%
Best Month
Oct 2024 95%
Worst Month
Jan 2025 61%
Distance
516 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 122 | 37 | 0 | 2 | OO |
| Nov 2025 | 116 | 9 | 3 | 0 | OO |
| Oct 2025 | 120 | 22 | 0 | 1 | OO |
| Sep 2025 | 137 | 29 | 0 | 0 | OO |
| Aug 2025 | 152 | 53 | 1 | 0 | OO |
| Jul 2025 | 154 | 48 | 2 | 2 | OO |
| Jun 2025 | 150 | 46 | 4 | 2 | OO |
| May 2025 | 134 | 29 | 2 | 1 | OO |
| Apr 2025 | 120 | 29 | 2 | 0 | OO |
| Mar 2025 | 124 | 20 | 0 | 0 | OO |
| Feb 2025 | 112 | 34 | 7 | 0 | OO |
| Jan 2025 | 124 | 48 | 0 | 0 | OO |
| Dec 2024 | 125 | 18 | 0 | 1 | OO |
| Nov 2024 | 118 | 30 | 5 | 0 | OO |
| Oct 2024 | 124 | 6 | 0 | 0 | OO |
| Sep 2024 | 120 | 26 | 0 | 1 | OO |
| Aug 2024 | 107 | 26 | 0 | 1 | OO |
| Jul 2024 | 93 | 23 | 0 | 0 | OO |
| Jun 2024 | 94 | 20 | 1 | 1 | OO |
| May 2024 | 123 | 24 | 1 | 0 | OO |
| Apr 2024 | 90 | 20 | 1 | 0 | OO |
| Mar 2024 | 93 | 10 | 4 | 0 | OO |
| Feb 2024 | 87 | 24 | 0 | 1 | OO |
| Jan 2024 | 93 | 16 | 6 | 0 | OO |
Cancellation Rate
1.4%
39 of 2,832 flights
Diversion Rate
0.5%
13 of 2,832 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 →BIS - Bismarck/Mandan
Full on-time, delay-cause, and seasonal performance for Bismarck/Mandan, ND.
Destination airport →Compare the two airports
See DEN and BIS 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–BIS.
Routes with a similar on-time rate
What the Data Says About DEN to BIS
6,863 tracked flights put the DEN to BIS pairing (Denver to Bismarck/Mandan) at a 80.4% on-time rate, squarely in line with the wider network. Delays that do occur run 82.4 minutes on average. Across the 516-mile route and its 3 carriers, the trailing 24 months show 1.4% cancelled and 0.5% diverted (2,832 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 95% on-time, while Jan 2025 came in at just 61% - a 34-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from DEN to BIS? ▼
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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.