FlightRecord

Peoria (PIA) to Chicago (ORD): On-Time Performance

Data through July 2026

When you fly PIA to ORD matters as much as anything else about the booking: the route swung from 86% on-time in October 2024 to just 58% in December 2025. Across the full period the route averages 72% on-time against a national 78%. Morning departures also hold up better than evening ones (81% vs 56%), which matters most in the rough months.

On-time
72%
arrived <15 min late
Avg delay
26 min
completed flights
Cancelled
2.9%
Flights/day
6.3
last 12 months
Duration
1h 12m
scheduled
Distance
130 mi

Best airline from PIA to ORD

3 airlines flew this route regularly between 2024-07 and 2026-07.

AirlineOn-timeAvg delayCancelledFlights
Republic Airwaysmost reliable81%14 min0.0%70
Envoy Air77%16 min3.7%1,330
SkyWest Airlines70%31 min2.6%2,774

Monthly on-time trend

Monthly on-time percentage for PIA to ORD flights50%75%100%August 2024: 72% on-time (93 flights)72Aug 2024September 2024: 83% on-time (133 flights)83October 2024: 86% on-time (116 flights)86November 2024: 73% on-time (87 flights)73Nov 2024December 2024: 72% on-time (125 flights)72January 2025: 77% on-time (135 flights)77February 2025: 64% on-time (116 flights)64Feb 2025March 2025: 63% on-time (150 flights)63April 2025: 82% on-time (204 flights)82May 2025: 79% on-time (216 flights)79May 2025June 2025: 69% on-time (210 flights)69July 2025: 64% on-time (214 flights)64August 2025: 72% on-time (198 flights)72Aug 2025September 2025: 80% on-time (179 flights)80October 2025: 72% on-time (203 flights)72November 2025: 72% on-time (168 flights)72Nov 2025December 2025: 58% on-time (157 flights)58January 2026: 67% on-time (173 flights)67February 2026: 73% on-time (172 flights)73Feb 2026March 2026: 62% on-time (181 flights)62April 2026: 64% on-time (295 flights)64May 2026: 71% on-time (185 flights)71May 2026June 2026: 79% on-time (186 flights)79July 2026: 77% on-time (187 flights)77

Best time to fly from PIA to ORD

Aim for departures around 5 a.m. (87% on-time); avoid 5 p.m. departures (52%).

On-time percentage by scheduled departure hour, PIA to ORD5 a.m.: 87% on-time (56 flights)56 a.m.: 86% on-time (841 flights)67 a.m.: 86% on-time (86 flights)78 a.m.: 74% on-time (182 flights)89 a.m.: 87% on-time (131 flights)910 a.m.: 79% on-time (653 flights)1011 a.m.: 69% on-time (248 flights)111 p.m.: 69% on-time (295 flights)132 p.m.: 73% on-time (244 flights)143 p.m.: 64% on-time (234 flights)154 p.m.: 69% on-time (85 flights)165 p.m.: 52% on-time (700 flights)176 p.m.: 64% on-time (208 flights)187 p.m.: 58% on-time (149 flights)198 p.m.: 67% on-time (55 flights)20scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday73%30 min
Tuesday76%18 min
Wednesdaybest76%22 min
Thursday71%29 min
Friday68%27 min
Saturday76%22 min
Sunday65%32 min

What causes delays on this route

Share of total delay minutes by cause, as reported by carriers to the US DOT.

  • Late-arriving aircraft33%
  • Airline operations30%
  • National airspace system26%
  • Weather11%

Frequently asked questions

How often are flights from PIA to ORD delayed?
28% of PIA–ORD 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 26 minutes.
Which airline is most reliable from PIA to ORD?
Republic Airways has the best on-time record on this route at 81%, based on 70 flights. 3 airlines flew PIA–ORD frequently enough to compare in this period.
What is the best time of day to fly from PIA to ORD?
Departures around 5 a.m. have the best record (87% on-time), while departures around 5 p.m. have the worst (52%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
How long is the flight from PIA to ORD?
The scheduled PIA–ORD flight time averages 1h 12m over 130 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
How often are PIA to ORD flights cancelled?
2.9% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
What is the worst month to fly from PIA to ORD?
December 2025 was the roughest month in this dataset, with only 58% of arrivals on time. The best was October 2024 at 86%. If your dates are flexible, that 28-point gap is worth planning around.

Based on 4,174 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.