Best Time to Fly PIR to DEN: On-Time Stats by Hour & Airline
Pierre Regional → Denver International
Data through July 2026 · Last updated October 18, 2026
660 flights were scheduled from Pierre (PIR) to Denver (DEN) in the last 12 months, and 80.7% of those that flew arrived on time, 3.1 points above the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
May has been the best month (88% on time) and Friday the weakest day of the week (76%).
1.8% of flights were cancelled, versus 1.8% nationally.
PIR 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 | 80.7% | 115 min | 1.8% | 660 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PIR to DEN
On-time arrival % by scheduled departure hour (local time), 660 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | 88.7% | 2.2% | 362 |
| 9am–10am | Limited data | 2 | |
| 5pm–6pm | 70.0% | 1.5% | 261 |
| 6pm–7pm | Limited data | 13 | |
| 7pm–8pm | Limited data | 22 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PIR 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) | Limited data | 15 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 27 | ||
| Summer peak (Jun 15 - Aug 15) | 75.5% | -6.2 pts | 0.9% | 105 |
| All other days | 81.7% | — | 1.6% | 513 |
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).