Casper/Natrona County International (CPR) Delays and On-Time Departures
Casper, WY · ranked 75th of 333 airports for on-time departures
Data through July 2026 · Last updated October 18, 2026
83.9% of the 2,600 flights scheduled to depart Casper (CPR) in the last 12 months left on time, 6.4 points above the US average of 77.4%.
That ranks 75th of 333 US airports tracked on this site, with 0.8% of departures cancelled.
Over 24 months, Tuesday was the most reliable day (83% on time) and June the worst month (71%).
Best time of day to fly out of Casper (CPR)
On-time departure % by scheduled departure hour (local time), last 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 92.6% | 0.4% | 804 |
| 7am–8am | 87.3% | 0.7% | 727 |
| 8am–9am | 82.7% | 0.0% | 104 |
| 9am–10am | 82.1% | 0.2% | 415 |
| 11am–12pm | 81.8% | 1.6% | 728 |
| 1pm–2pm | 81.4% | 0.8% | 726 |
| 3pm–4pm | 70.5% | 1.1% | 760 |
| 5pm–6pm | 66.7% | 1.6% | 189 |
| 6pm–7pm | 80.7% | 1.7% | 536 |
| 8pm–9pm | Limited data | 2 | |
| 9pm–10pm | Limited data | 2 | |
Airlines at CPR ranked by on-time departures
Last 12 months. Airlines with fewer than 30 departures are marked “limited data”.
| Airline | On-time departures | On-time arrivals | Cancelled | Departures |
|---|---|---|---|---|
| SkyWest Airlines | 83.9% | 83.0% | 0.8% | 2,600 |
80%+ good 70–79.9% fair <70% poor
Best day to fly out of CPR
On-time departures by day, 24 months.
Best month to fly out of CPR
On-time departures by month, 24 months.
Holiday travel at Casper (CPR)
On-time departures during holiday periods compared with all other days, last 24 months.
| Period | On-time departures | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 87.1% | +3.8 pts | 0.0% | 93 |
| Christmas & New Year (Dec 20 - Jan 3) | 85.6% | +2.3 pts | 0.5% | 195 |
| Summer peak (Jun 15 - Aug 15) | 74.8% | -8.6 pts | 0.8% | 910 |
| All other days | 83.3% | — | 1.0% | 3,795 |
Monthly on-time departure trend at CPR
On-time departure % each month, with the 12-month US average for reference.
Routes from Casper (CPR)
Every route from CPR with its own page, by number of flights (last 12 months, on-time arrivals).
| To | On time | Cancelled | Flights |
|---|---|---|---|
| CPR → Denver (DEN) | 83.0% | 0.8% | 2,600 |