Peoria (PIA) to Denver (DEN): On-Time Performance
Data through July 2026
When you fly PIA to DEN matters as much as anything else about the booking: the route swung from 97% on-time in April 2026 to just 21% in March 2026. Across the full period the route averages 73% on-time against a national 78%.
- On-time
- 73%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 1.0%
- Flights/day
- 1.2
- last 12 months
- Duration
- 2h 33m
- scheduled
- Distance
- 793 mi
Best airline from PIA to DEN
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Allegiant Airmost reliable | 73% | 23 min | 0.5% | 186 |
| SkyWest Airlines | 73% | 18 min | 1.2% | 488 |
Monthly on-time trend
Best time to fly from PIA to DEN
Aim for departures around 8 a.m. (79% on-time); avoid 9 a.m. departures (57%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 71% | 20 min |
| Tuesday | 71% | 27 min |
| Wednesday | 76% | 16 min |
| Thursday | 74% | 14 min |
| Friday | 68% | 24 min |
| Saturday | 73% | 20 min |
| Sundaybest | 81% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft16%
- Airline operations58%
- National airspace system22%
- Weather4%
Frequently asked questions
- How often are flights from PIA to DEN delayed?
- 27% of PIA–DEN flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 19 minutes.
- Which airline is most reliable from PIA to DEN?
- Allegiant Air has the best on-time record on this route at 73%, based on 186 flights. 2 airlines flew PIA–DEN frequently enough to compare in this period.
- What is the best time of day to fly from PIA to DEN?
- Departures around 8 a.m. have the best record (79% on-time), while departures around 9 a.m. have the worst (57%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PIA to DEN?
- The scheduled PIA–DEN flight time averages 2h 33m over 793 miles. Actual arrival times vary — flights on this route land 15+ minutes late 27% of the time.
- How often are PIA to DEN flights cancelled?
- 1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from PIA to DEN?
- March 2026 was the roughest month in this dataset, with only 21% of arrivals on time. The best was April 2026 at 97%. If your dates are flexible, that 75-point gap is worth planning around.
Explore related pages
More routes from PIA
Other ways to fly to Denver (DEN)
Related guides
Based on 674 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.