Casper-Natrona County International Airport (CPR): Delays & On-Time Performance
Data through July 2026
Casper-Natrona County International Airport (CPR) is a tale of two seasons: departures ran 94% on-time in November 2025 but sank to 67% in June 2025. Across the year it averages 82% against a national 78%, over roughly 7 departures a day to 2 destinations.
- Departures on-time
- 82%
- left <15 min late
- Avg dep delay
- 18 min
- Arrivals on-time
- 77%
- Cancelled
- 0.9%
- Destinations
- 2
- nonstop
- Airlines
- 1
Plan your departure from CPR
The choices most likely to improve your odds, based on this airport’s historical record.
- Best departure time
- Around 5 a.m.
- 93% on-time
- Best day to fly
- Tuesday
- 82% on-time
- Cancellation risk
- 0.9%
- below the US average
Monthly on-time trend
Best time of day to depart from CPR
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 18 min |
| Tuesdaybest | 82% | 19 min |
| Wednesday | 80% | 16 min |
| Thursday | 80% | 20 min |
| Friday | 77% | 22 min |
| Saturday | 80% | 17 min |
| Sunday | 80% | 17 min |
Busiest routes from CPR
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| CPR → DEN (Denver) | 2,600 | 79% | 19 min |
Where flights into CPR come from
| Route | Flights/12mo | On-time | Avg delay |
|---|---|---|---|
| DEN (Denver) → CPR | 2,600 | 77% | 19 min |
What causes delays at CPR
Share of total delay minutes by cause, as reported by carriers to the US DOT, weighted across routes departing CPR.
- Late-arriving aircraft28%
- Airline operations40%
- National airspace system19%
- Weather13%
Alternative airports near Casper
Other airports within 120 miles, compared on departure reliability.
| Airport | Distance | On-time departures | Avg delay |
|---|---|---|---|
| RIW — Central Wyoming Regional Airport | 102 mi | 86% | 24 min |
| GCC — Northeast Wyoming Regional Airport | 110 mi | 84% | 24 min |
| LAR — Laramie Regional Airport | 117 mi | 80% | 23 min |
Compare the airport-level record first, then check the exact route you plan to book.
Frequently asked questions
- How often are flights delayed at CPR?
- 18% of departures from Casper-Natrona County International Airport left 15+ minutes late between 2024-07 and 2026-07, with an average departure delay of 18 minutes. The national on-time average over the same period was 78%.
- What is the best time of day to depart from CPR?
- Flights scheduled around 5 a.m. depart on time 93% of the time at CPR, versus 67% around 5 p.m.. Booking before noon is the usual rule of thumb here.
- What is the worst month for delays at CPR?
- In this dataset, June 2025 was the weakest month at CPR, with 67% of departures on time.
- How often are flights cancelled at CPR?
- 0.9% of scheduled departures from CPR were cancelled in this period, compared with a national rate of 1.6%.
Popular route pages from this airport
Related guides
Based on 5,238 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.