ON TIMEBOARD
PIA Peoria / DEN Denver

PIA → DEN on time

General Wayne A. Downing Peoria (Peoria, IL) to Denver (Denver, CO). Every scheduled flight, September 2025 to August 2026.

On time
73%
arrived < 15 min late
Cancelled
1.6%
432 flights
Typical arrival
−3 min
median vs schedule
When late
+69 min
average delay
Flights / day
1
2 airlines

73% of flights from Peoria to Denver arrived on time over the past 12 months. That is worse than the typical U.S. route. 12% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for PIA → DEN: when a flight was late, it was under 45 minutes late 56% of the time. About 1 in 10 flights landed an hour or more late, and 1 in 48 three hours or more; 1.6% were cancelled outright.

Share of all 432 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines36473%1.7%−4 min9.3%+66 minSkyWest
Allegiant Air68—————Allegiant Air

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at PIA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%8 a.m. departures: 82% on time (319 flights)828a9 a.m. departures: too few flights (47 flights)9a10 a.m. departures: too few flights (9 flights)10a11 a.m. departures: too few flights (15 flights)11anoon departures: too few flights (2 flights)12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights (2 flights)2p3 p.m. departures: too few flights (24 flights)3p
PIA → DEN, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsUnited Airlines
8 a.m.82%

By month

Each calendar month pooled over 2023–2026.

40%70%100%Jan: too few flights (48 flights)JanFeb: too few flights (40 flights)FebMar: too few flights (51 flights)MarApr: too few flights (77 flights)AprMay: too few flights (84 flights)MayJun: too few flights (85 flights)JunJul: too few flights (88 flights)JulAug: too few flights (89 flights)AugSep: too few flights (57 flights)SepOct: too few flights (57 flights)OctNov: too few flights (56 flights)NovDec: too few flights (61 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday72——
Tuesday52——
Wednesday53——
Thursday67——
Friday69——
Saturday52——
Sunday67——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 67%Air traffic & airport (NAS) 21%Late inbound plane 8%Severe weather 5%

Cancellations: weather 6 · airline 1

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
UA 54558:45 a.m.34171%1.8%−3 minSkyWest

Questions

How often are flights from PIA to DEN on time?

73% of 432 scheduled flights from Peoria, IL to Denver, CO arrived within 15 minutes of schedule between September 2025 and August 2026. 1.6% were cancelled.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.