Best Time to Fly PIA to DEN: On-Time Stats by Hour & Airline
General Downing - Peoria International → Denver International
Data through July 2026 · Last updated October 18, 2026
432 flights were scheduled from Peoria (PIA) to Denver (DEN) in the last 12 months, and 72.9% of those that flew arrived on time, 4.8 points below the US average of 77.6%.
Among 2 airlines, Allegiant Air led with 76.1% on time and SkyWest Airlines was last with 72.3%.
Over 24 months, Sunday was the most reliable day (81% on time) and March the worst month (38%).
The cancellation rate was 1.6% (US average 1.8%).
PIA 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 |
|---|---|---|---|---|
| Allegiant Air | 76.1% | 75 min | 1.5% | 68 |
| SkyWest Airlines | 72.3% | 66 min | 1.6% | 364 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PIA to DEN
On-time arrival % by scheduled departure hour (local time), 665 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | 79.3% | 0.8% | 389 |
| 9am–10am | 57.1% | 2.3% | 130 |
| 10am–11am | Limited data | 15 | |
| 11am–12pm | Limited data | 25 | |
| 12pm–1pm | Limited data | 2 | |
| 2pm–3pm | Limited data | 7 | |
| 3pm–4pm | 69.3% | 0.0% | 76 |
| 4pm–5pm | Limited data | 18 | |
| 5pm–6pm | Limited data | 3 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PIA 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 | 13 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 26 | ||
| Summer peak (Jun 15 - Aug 15) | 81.8% | +9.9 pts | 0.0% | 144 |
| All other days | 71.9% | — | 1.2% | 482 |
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).