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

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

Historically, 66.4% 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
66.4%arrived on time
20.2%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 late12.2%all scheduled flights
120+ minutes late6.1%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+19.4 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 morning67281.5%10.1%2.5%
Late morning55174.2%16.0%3.4%
Afternoon39764.0%23.9%4.8%
Evening69146.7%31.3%6.8%

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
Monday34065.0%20.9%6.5%
Tuesday34169.2%20.2%3.2%
Wednesday32771.3%17.7%2.1%
Thursday32964.7%21.9%3.3%
Friday33565.7%18.8%4.2%
Saturday30271.5%13.6%7.3%
Sunday33757.9%27.6%4.5%

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 Airlines1,29059.9%25.1%4.5%
Envoy Air1,02174.5%14.0%4.3%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202521462.1%27.6%2.3%
August 202519868.7%16.7%4.5%
September 202517979.9%14.0%0.6%
October 202520372.4%17.2%0.0%
November 202516861.9%17.9%14.3%
December 202515754.1%26.8%7.0%
January 202617365.3%22.0%2.3%
February 202617273.3%19.8%0.0%
March 202618157.5%23.8%7.2%
April 202629559.0%24.4%7.5%
May 202618569.2%20.0%2.7%
June 202618675.8%10.2%4.3%

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.

Airline23.1%
Late aircraft32.8%
National airspace30.9%
Weather13.1%
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.