BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
ORDPIA

Chicago, IL (ORD) to Peoria, IL (PIA) flight delay odds

Historically, 65.7% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 2,311 flights.

HISTORICAL ROUTE SIGNALHigher disruption
65.7%arrived on time
19.5%30+ min late
4.4%cancelled
2,311scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.6%all scheduled flights
120+ minutes late3.9%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+14.8 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Early morning41373.1%14.5%3.9%
Late morning40268.7%19.4%2.7%
Afternoon58162.1%26.2%2.2%
Evening47963.3%19.6%6.1%
Night43663.5%15.4%7.6%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday34161.6%21.1%6.5%
Tuesday34073.2%16.2%2.9%
Wednesday32867.4%20.4%2.4%
Thursday33164.4%19.6%4.8%
Friday33567.2%17.9%4.8%
Saturday30267.9%15.9%5.6%
Sunday33458.7%25.1%3.9%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
SkyWest Airlines1,29062.5%22.9%4.5%
Envoy Air1,02169.8%15.3%4.3%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 202521455.1%29.4%2.3%
August 202519870.7%17.7%4.0%
September 202518078.3%8.9%0.6%
October 202520170.6%16.4%0.0%
November 202516861.3%17.3%12.5%
December 202515752.9%24.2%7.6%
January 202617465.5%23.6%2.3%
February 202617169.6%17.5%0.0%
March 202618257.7%24.2%7.7%
April 202629564.1%20.0%8.1%
May 202618571.4%18.4%2.2%
June 202618671.5%15.6%4.8%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline29.0%
Late aircraft35.3%
National airspace20.9%
Weather14.8%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.