Airport reliability
Casper (CPR) on-time performance
How reliably flights leave Casper, WY (CPR) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.
Casper, WY2,629 departures in 12 months
- Departures on time
- 82.0% U.S. average 75.6%
- Cancelled
- 1.0% U.S. average 1.9%
- 60+ minutes late
- 7.4% U.S. average 8.1%
- Scheduled departures
- 2,629 12 months
What this means
CPR departures beat the U.S. average.
- 82.0% of the 2,629 scheduled departures from Casper (CPR) arrived at their destination on time, 6.4 points higher than the U.S. average of 75.6%.
- 1.0% of departures were cancelled (U.S. average 1.9%), and 7.4% arrived an hour or more late.
- Flights arriving at CPR were on time 76.7% of the time.
- Over the last 3 years, September was the most reliable month for departures from CPR (87.0% on time) and June the least reliable (72.8%).
- Cancellations peaked in November, when 2.0% of flights were cancelled.
- Flights scheduled to depart before 6 am were the most punctual (91.6% on time); flights scheduled to depart 6 pm to 7 pm were the least (70.8%).
Airlines at CPR
Ranked by on-time arrival
| Airline | On time | Cancelled | 60+ min late | Avg delay when late | Departures |
|---|---|---|---|---|---|
| SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska | 82.0% | 1.0% | 7.4% | 91 min | 2,629 |
Tap a heading to sort.
On-time rate by departure hour
Share of scheduled flights on time CPR average 82.0%
Show as table
| Period | On time | Flights |
|---|---|---|
| Departing before 6 am | 91.6% | 346 |
| Departing 7 am to 8 am | 87.8% | 362 |
| Departing 8 am to 9 am | 74.6% | 134 |
| Departing 9 am to 10 am | 82.7% | 312 |
| Departing 10 am to 11 am | Insufficient sample | 21 |
| Departing 11 am to noon | 82.4% | 364 |
| Departing 1 pm to 2 pm | 87.0% | 362 |
| Departing 3 pm to 4 pm | 74.3% | 342 |
| Departing 4 pm to 5 pm | Insufficient sample | 21 |
| Departing 5 pm to 6 pm | 78.7% | 89 |
| Departing 6 pm to 7 pm | 70.8% | 274 |
| Departing 8 pm to 9 pm | Insufficient sample | 2 |
Best and worst months at CPR
Share of scheduled flights on time 12-month average 82.0%
Show as table
| Period | On time | Flights |
|---|---|---|
| January | 76.9% | 467 |
| February | 80.6% | 391 |
| March | 82.9% | 432 |
| April | 77.1% | 419 |
| May | 76.0% | 524 |
| June | 72.8% | 657 |
| July | 78.6% | 695 |
| August | 73.1% | 692 |
| September | 87.0% | 516 |
| October | 83.0% | 495 |
| November | 84.4% | 450 |
| December | 85.4% | 499 |
Month by month, last 12 months
Share of scheduled flights on time U.S. average 75.6%
Show as table
| Period | On time | Flights |
|---|---|---|
| Sep 2025 | 85.6% | 209 |
| Oct 2025 | 82.9% | 216 |
| Nov 2025 | 89.9% | 207 |
| Dec 2025 | 80.2% | 217 |
| Jan 2026 | 84.3% | 217 |
| Feb 2026 | 86.1% | 194 |
| Mar 2026 | 84.7% | 215 |
| Apr 2026 | 82.8% | 209 |
| May 2026 | 81.0% | 226 |
| Jun 2026 | 79.7% | 236 |
| Jul 2026 | 81.2% | 240 |
| Aug 2026 | 69.1% | 243 |
Busiest routes from CPR
| To | On time | Cancelled | Airlines | Flights |
|---|---|---|---|---|
| Denver (DEN) | 82.0% | 1.0% | 1 | 2,629 |
Sources & data dates
- Source
- U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
- Period
- September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
- Data through
- August 2026
- Processed
- 2026-11-03
- Scope
- Scheduled nonstop domestic departures from Casper, WY (CPR) by airlines that report to the DOT.
- Method
- Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.