Route · CPR → DEN · 2020–2025 BTS data
Casper to Denver
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), CPR to DEN (Casper to Denver) ranks #1579 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 78.4%
- On-time
- -0.6 pts
- vs US avg
- 84 min
- Delay when late
- 7,879
- Flights
- #1579 of 4927
- Corpus placement
Cancelled
0.9%
Best Month
Nov 2025 91%
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 | 41 | 1 | 1 | OO |
| Nov 2025 | 207 | 18 | 3 | 0 | OO |
| Oct 2025 | 216 | 36 | 0 | 1 | OO |
| Sep 2025 | 209 | 29 | 0 | 1 | OO |
| Aug 2025 | 214 | 67 | 0 | 1 | OO |
| Jul 2025 | 210 | 67 | 4 | 0 | OO |
| Jun 2025 | 209 | 77 | 1 | 3 | OO |
| May 2025 | 196 | 70 | 1 | 1 | OO |
| Apr 2025 | 180 | 54 | 4 | 2 | OO |
| Mar 2025 | 186 | 37 | 2 | 0 | OO |
| Feb 2025 | 168 | 46 | 2 | 1 | OO |
| Jan 2025 | 186 | 65 | 3 | 0 | OO |
| Dec 2024 | 185 | 19 | 0 | 0 | OO |
| Nov 2024 | 177 | 34 | 6 | 0 | OO |
| Oct 2024 | 186 | 26 | 2 | 0 | OO |
| Sep 2024 | 180 | 20 | 0 | 0 | OO |
| Aug 2024 | 204 | 37 | 2 | 1 | OO |
| Jul 2024 | 214 | 31 | 0 | 1 | OO |
| Jun 2024 | 182 | 43 | 3 | 0 | OO |
| May 2024 | 71 | 11 | 0 | 0 | OO |
| Jan 2024 | 33 | 2 | 0 | 0 | OO |
| Dec 2023 | 63 | 8 | 0 | 0 | OO |
| Oct 2023 | 31 | 9 | 1 | 0 | OO |
| Sep 2023 | 67 | 15 | 0 | 0 | OO |
CPR–DEN seasonal on-time pattern
Best: September (85.4%) · weakest: June (71.1%)
Strongest calendar month
September
85.4% on-time · ~126 flights/mo
Busiest calendar month
August
~145 flights/mo avg
Weakest calendar month
June
71.1% on-time · ~122 flights/mo
Cancellation Rate
0.9%
35 of 3,991 flights
Diversion Rate
0.3%
13 of 3,991 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
CPR - Casper
Full on-time, delay-cause, and seasonal performance for Casper, WY.
CPR on-time profileDEN - Denver
Full on-time, delay-cause, and seasonal performance for Denver, CO.
DEN on-time profileCompare the two airports
See CPR and DEN side by side on delays, cancellations, and reliability.
Compare CPR vs DENOrigin-hub reliability standing
Mid-pack among CPR departures
From CPR, this corridor sits with 1 other 75–85% on-time routes out of 2 tracked departures, not the hub's reliability leaders (1 at ≥85%) and not the softest ( 0 below 75%). Destination: Denver · fleet on-time rank #3712 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to CPR–DEN.
Routes with a similar on-time rate
What the Data Says About CPR to DEN
The Casper to Denver corridor (CPR to DEN) posts a 78.4% on-time rate on the lower edge of the average band, based on 7,879 tracked flights. Late flights run 83.7 minutes behind on average. 3 carriers cover the 230-mile route; over the last 24 months, 35 of 3,991 flights were cancelled (0.9%) and 0.3% diverted.
The monthly split is wide on this route: Nov 2025 posted the strongest performance at 91% on-time, while Jun 2025 came in at just 63% - a 28-point swing worth factoring into travel timing.
On the multi-year calendar, CPR–DEN peaks in September at 85.4% on-time while August carries the heaviest traffic (~145 flights per month) ; the softest month is June at 71.1%, a 14.3-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does CPR to DEN rank among US routes by traffic? ▼
How often are flights delayed from CPR to DEN? ▼
What is the cancellation rate for CPR to DEN? ▼
How far is the flight from CPR to DEN? ▼
When is the best time to fly from CPR to DEN? ▼
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 CPR–DEN data
CPR–DEN is mid-pack at 78.4% on-time; month and carrier mix move more than the corridor headline.
- Compare CPR and DEN airport profiles: delay causes and top routes differ even on the same corridor. CPR airport
- If your dates flex, September (85.4% on-time) beats June (71.1%) on this corridor. Seasonal chart
- 4 other routes post a similar 78.4% 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.