Best Time to Fly CPR to DEN: On-Time Stats by Hour & Airline
Casper/Natrona County International → Denver International
Data through July 2026 · Last updated October 18, 2026
2,600 flights were scheduled from Casper (CPR) to Denver (DEN) in the last 12 months, and 83.0% of those that flew arrived on time, 5.4 points above the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (82% on time) and June the worst month (72%).
The cancellation rate was 0.8% (US average 1.8%).
CPR to DEN on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 83.0% | 92 min | 0.8% | 2,600 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly CPR to DEN
On-time arrival % by scheduled departure hour (local time), 4,867 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 89.5% | 0.4% | 711 |
| 7am–8am | 82.0% | 0.7% | 727 |
| 8am–9am | 76.0% | 0.0% | 104 |
| 9am–10am | 78.7% | 0.2% | 415 |
| 11am–12pm | 82.4% | 1.6% | 728 |
| 1pm–2pm | 84.5% | 0.8% | 726 |
| 3pm–4pm | 64.9% | 1.1% | 727 |
| 5pm–6pm | 64.9% | 1.6% | 189 |
| 6pm–7pm | 77.6% | 1.7% | 536 |
| 8pm–9pm | Limited data | 2 | |
| 9pm–10pm | Limited data | 2 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on CPR to DEN
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 81.4% | +1.0 pts | 0.0% | 86 |
| Christmas & New Year (Dec 20 - Jan 3) | 84.5% | +4.1 pts | 0.5% | 195 |
| Summer peak (Jun 15 - Aug 15) | 73.9% | -6.5 pts | 0.8% | 895 |
| All other days | 80.4% | — | 1.1% | 3,691 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).