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

Springfield, IL (SPI) to Chicago, IL (ORD) flight delay odds

78.3% of 692 official scheduled SPI-to-ORD flights arrived on time; 14.5% arrived at least 30 minutes late and 3.8% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
78.3%arrived on time
14.5%30+ min late
3.8%cancelled
692scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late9.5%all scheduled flights
120+ minutes late4.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+5.9 mincompleted flights

Which departure time was most reliable for SPI to ORD?

Among qualifying SPI-to-ORD departure window results, Early morning had the highest on-time rate: 86.5% of 267 flights. Evening was lowest at 57.9% across 145 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning26786.5%9.4%2.2%
Afternoon27880.9%11.9%1.8%
Evening14557.9%29.0%10.3%

Which weekday was most reliable for SPI to ORD?

Among qualifying SPI-to-ORD weekday results, Wednesday had the highest on-time rate: 86.5% of 96 flights. Friday was lowest at 72.8% across 103 flights.

DayFlightsOn time30+ minCancelled
Monday10376.7%13.6%5.8%
Tuesday10075.0%20.0%3.0%
Wednesday9686.5%10.4%1.0%
Thursday10182.2%13.9%2.0%
Friday10372.8%17.5%4.9%
Saturday8582.4%4.7%4.7%
Sunday10474.0%19.2%4.8%

Which airline was most reliable for SPI to ORD?

Among qualifying SPI-to-ORD airline results, Envoy Air had the highest on-time rate: 81.3% of 609 flights. SkyWest Airlines was lowest at 56.6% across 83 flights.

AirlineFlightsOn time30+ minCancelled
Envoy Air60981.3%12.0%3.0%
SkyWest Airlines8356.6%32.5%9.6%

Which month was most reliable for SPI to ORD?

Among qualifying SPI-to-ORD month results, May 2026 had the highest on-time rate: 88.7% of 62 flights. December 2025 was lowest at 66.1% across 59 flights.

MonthFlightsOn time30+ minCancelled
July 20254768.1%21.3%8.5%
August 20256071.7%21.7%5.0%
September 20255782.5%14.0%1.8%
October 20256188.5%6.6%0.0%
November 20255971.2%11.9%6.8%
December 20255966.1%23.7%6.8%
January 20265882.8%12.1%0.0%
February 20265288.5%7.7%0.0%
March 20265875.9%12.1%10.3%
April 20265972.9%20.3%5.1%
May 20266288.7%8.1%0.0%
June 20266081.7%15.0%1.7%

What drove SPI to ORD delay minutes?

Late aircraft was the largest recorded SPI-to-ORD delay category, accounting for 38.0% of 11,787 BTS-attributed delay minutes during July 2025–June 2026.

Airline30.8%
Late aircraft38.0%
National airspace24.5%
Weather6.8%
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.