Route · DEN → CPR · 2020–2025 BTS data
Denver to Casper
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), DEN to CPR (Denver to Casper) ranks #1578 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 79.3%
- On-time
- +0.3 pts
- vs US avg
- 78 min
- Delay when late
- 7,882
- Flights
- #1578 of 4927
- Corpus placement
Cancelled
1.0%
Best Month
Dec 2023 92%
Worst Month
Jun 2025 63%
Distance
230 mi
Carriers
3
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 217 | 56 | 1 | 0 | OO |
| Nov 2025 | 207 | 19 | 3 | 0 | OO |
| Oct 2025 | 216 | 30 | 0 | 1 | OO |
| Sep 2025 | 209 | 44 | 0 | 1 | OO |
| Aug 2025 | 214 | 64 | 3 | 0 | OO |
| Jul 2025 | 210 | 65 | 5 | 2 | OO |
| Jun 2025 | 209 | 77 | 2 | 1 | OO |
| May 2025 | 197 | 58 | 3 | 0 | OO |
| Apr 2025 | 180 | 46 | 3 | 0 | OO |
| Mar 2025 | 186 | 29 | 2 | 0 | OO |
| Feb 2025 | 168 | 53 | 2 | 0 | OO |
| Jan 2025 | 186 | 60 | 3 | 1 | OO |
| Dec 2024 | 186 | 17 | 0 | 0 | OO |
| Nov 2024 | 176 | 36 | 6 | 0 | OO |
| Oct 2024 | 186 | 19 | 2 | 0 | OO |
| Sep 2024 | 180 | 21 | 0 | 2 | OO |
| Aug 2024 | 203 | 58 | 2 | 0 | OO |
| Jul 2024 | 215 | 43 | 0 | 0 | OO |
| Jun 2024 | 182 | 51 | 2 | 0 | OO |
| May 2024 | 73 | 13 | 0 | 0 | OO |
| Jan 2024 | 32 | 4 | 0 | 0 | OO |
| Dec 2023 | 64 | 5 | 0 | 0 | OO |
| Oct 2023 | 31 | 8 | 1 | 0 | OO |
| Sep 2023 | 65 | 17 | 0 | 0 | OO |
DEN–CPR seasonal on-time pattern
Best: November (87.1%) · weakest: June (69.7%)
Strongest calendar month
November
87.1% on-time · ~137 flights/mo
Busiest calendar month
August
~145 flights/mo avg
Weakest calendar month
June
69.7% on-time · ~122 flights/mo
Cancellation Rate
1.0%
40 of 3,992 flights
Diversion Rate
0.2%
8 of 3,992 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.
DEN on-time profileCPR - Casper
Full on-time, delay-cause, and seasonal performance for Casper, WY.
CPR on-time profileCompare the two airports
See DEN and CPR side by side on delays, cancellations, and reliability.
Compare DEN vs CPROrigin-hub reliability standing
Mid-pack among DEN departures
From DEN, this corridor sits with 133 other 75–85% on-time routes out of 168 tracked departures, not the hub's reliability leaders (8 at ≥85%) and not the softest ( 27 below 75%). Destination: Casper · fleet on-time rank #3400 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to DEN–CPR.
Routes with a similar on-time rate
What the Data Says About DEN to CPR
7,882 tracked flights put the DEN to CPR pairing (Denver to Casper) at a 79.3% on-time rate, squarely in line with the wider network. Delays that do occur run 77.9 minutes on average. Across the 230-mile route and its 3 carriers, the trailing 24 months show 1.0% cancelled and 0.2% diverted (3,992 flights sampled).
The monthly split is wide on this route: Dec 2023 posted the strongest performance at 92% on-time, while Jun 2025 came in at just 63% - a 29-point swing worth factoring into travel timing.
On the multi-year calendar, DEN–CPR peaks in November at 87.1% on-time while August carries the heaviest traffic (~145 flights per month) ; the softest month is June at 69.7%, a 17.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does DEN to CPR rank among US routes by traffic? ▼
How often are flights delayed from DEN to CPR? ▼
What is the cancellation rate for DEN to CPR? ▼
How far is the flight from DEN to CPR? ▼
When is the best time to fly from DEN to CPR? ▼
Airports on this route
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.
Using DEN–CPR data
DEN–CPR is mid-pack at 79.3% on-time; month and carrier mix move more than the corridor headline.
- Compare DEN and CPR airport profiles: delay causes and top routes differ even on the same corridor. DEN airport
- If your dates flex, November (87.1% on-time) beats June (69.7%) on this corridor. Seasonal chart
- 4 other routes post a similar 79.3% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.