Denver (DEN) to Peoria (PIA): On-Time Performance
Data through May 2026
Denver (DEN) to Peoria (PIA) effectively runs on two schedules. In April 2026, 83% of arrivals were on time; in July 2025 that fell to 35% — a 48-point seasonal swing. Across the full period the route averages 62% on-time against a national 78%.
- On-time
- 62%
- arrived <15 min late
- Avg delay
- 27 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 1.2
- last 12 months
- Duration
- 2h 13m
- scheduled
- Distance
- 793 mi
Best airline from DEN to PIA
2 airlines flew this route regularly between 2024-06 and 2026-05.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlinesmost reliable | 65% | 20 min | 1.2% | 429 |
| Allegiant Air | 56% | 41 min | 0.0% | 177 |
Monthly on-time trend
Best time to fly from DEN to PIA
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 59% | 27 min |
| Tuesday | 63% | 26 min |
| Wednesday | 72% | 14 min |
| Thursday | 64% | 23 min |
| Friday | 56% | 40 min |
| Saturdaybest | 73% | 15 min |
| Sunday | 61% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft39%
- Airline operations29%
- National airspace system27%
- Weather6%
Frequently asked questions
- How often are flights from DEN to PIA delayed?
- 38% of DEN–PIA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 27 minutes.
- Which airline is most reliable from DEN to PIA?
- SkyWest Airlines has the best on-time record on this route at 65%, based on 429 flights. 2 airlines flew DEN–PIA frequently enough to compare in this period.
- How long is the flight from DEN to PIA?
- The scheduled DEN–PIA flight time averages 2h 13m over 793 miles. Actual arrival times vary — flights on this route land 15+ minutes late 38% of the time.
- How often are DEN to PIA flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from DEN to PIA?
- July 2025 was the roughest month in this dataset, with only 35% of arrivals on time. The best was April 2026 at 83%. If your dates are flexible, that 48-point gap is worth planning around.
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Based on 606 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.