Route · RAP → DEN · 2020–2025 BTS data
Rapid City to Denver
The RAP–DEN corridor (Rapid City, SD → Denver, CO) runs ahead of the national average, served by 6 carriers across roughly 300 miles.
Data updated 2026-06-13
- 79.1%
- On-time
- +0.1 pts
- vs US avg
- 85 min
- Delay when late
- 10,345
- Flights
Cancelled
1.7%
Best Month
Sep 2024 95%
Worst Month
Jun 2025 65%
Distance
300 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 213 | 49 | 0 | 1 | UA,OO |
| Nov 2025 | 223 | 31 | 6 | 0 | OO,UA |
| Oct 2025 | 262 | 53 | 0 | 0 | OO,UA |
| Sep 2025 | 262 | 46 | 0 | 0 | UA,OO |
| Aug 2025 | 276 | 85 | 4 | 2 | OO,UA |
| Jul 2025 | 274 | 92 | 7 | 2 | OO,UA |
| Jun 2025 | 270 | 95 | 3 | 3 | OO,UA |
| May 2025 | 258 | 63 | 10 | 4 | OO,UA |
| Apr 2025 | 240 | 66 | 1 | 0 | OO,UA |
| Mar 2025 | 240 | 36 | 1 | 0 | OO,UA |
| Feb 2025 | 200 | 42 | 19 | 0 | OO,UA |
| Jan 2025 | 202 | 65 | 0 | 0 | OO,UA |
| Dec 2024 | 200 | 42 | 0 | 0 | OO,UA |
| Nov 2024 | 206 | 47 | 4 | 0 | OO,UA |
| Oct 2024 | 217 | 25 | 0 | 0 | UA,OO |
| Sep 2024 | 210 | 10 | 0 | 1 | OO,UA |
| Aug 2024 | 218 | 32 | 0 | 1 | OO,UA |
| Jul 2024 | 215 | 42 | 8 | 0 | OO,UA |
| Jun 2024 | 210 | 40 | 8 | 0 | OO,UA |
| May 2024 | 144 | 29 | 0 | 0 | OO,UA |
| Apr 2024 | 111 | 30 | 0 | 0 | OO,UA |
| Mar 2024 | 120 | 12 | 3 | 0 | OO,UA |
| Feb 2024 | 133 | 28 | 9 | 1 | OO,UA |
| Jan 2024 | 119 | 20 | 3 | 1 | OO,UA |
Cancellation Rate
1.7%
86 of 5,023 flights
Diversion Rate
0.3%
16 of 5,023 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
RAP - Rapid City
Full on-time, delay-cause, and seasonal performance for Rapid City, SD.
Origin airport →DEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
Destination airport →Compare the two airports
See RAP 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 RAP–DEN.
Routes with a similar on-time rate
What the Data Says About RAP to DEN
10,345 tracked flights put the RAP to DEN pairing (Rapid City to Denver) at a 79.1% on-time rate, squarely in line with the wider network. Delays that do occur run 85.0 minutes on average. Across the 300-mile route and its 6 carriers, the trailing 24 months show 1.7% cancelled and 0.3% diverted (5,023 flights sampled).
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 95% on-time, while Jun 2025 came in at just 65% - a 30-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.