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

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

72.0% of 693 official scheduled ORD-to-SPI flights arrived on time; 18.8% arrived at least 30 minutes late and 3.3% 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
72.0%arrived on time
18.8%30+ min late
3.3%cancelled
693scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.4%all scheduled flights
120+ minutes late4.8%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+12.7 mincompleted flights

Which departure time was most reliable for ORD to SPI?

Among qualifying ORD-to-SPI departure window results, Late morning had the highest on-time rate: 93.3% of 90 flights. Night was lowest at 66.1% across 254 flights.

Departure windowFlightsOn time30+ minCancelled
Late morning9093.3%3.3%1.1%
Afternoon31771.6%19.9%2.2%
Night25466.1%22.4%5.1%

Which weekday was most reliable for ORD to SPI?

Among qualifying ORD-to-SPI weekday results, Tuesday had the highest on-time rate: 77.0% of 100 flights. Thursday was lowest at 66.3% across 101 flights.

DayFlightsOn time30+ minCancelled
Monday10471.2%23.1%1.9%
Tuesday10077.0%15.0%5.0%
Wednesday9675.0%19.8%1.0%
Thursday10166.3%22.8%2.0%
Friday10370.9%16.5%3.9%
Saturday8575.3%12.9%4.7%
Sunday10469.2%20.2%4.8%

Which airline was most reliable for ORD to SPI?

Among qualifying ORD-to-SPI airline results, Envoy Air had the highest on-time rate: 75.1% of 610 flights. SkyWest Airlines was lowest at 49.4% across 83 flights.

AirlineFlightsOn time30+ minCancelled
Envoy Air61075.1%16.9%3.0%
SkyWest Airlines8349.4%32.5%6.0%

Which month was most reliable for ORD to SPI?

Among qualifying ORD-to-SPI month results, May 2026 had the highest on-time rate: 88.7% of 62 flights. December 2025 was lowest at 62.7% across 59 flights.

MonthFlightsOn time30+ minCancelled
July 20254763.8%25.5%6.4%
August 20256070.0%16.7%3.3%
September 20255778.9%14.0%1.8%
October 20256282.3%9.7%0.0%
November 20255969.5%20.3%5.1%
December 20255962.7%23.7%5.1%
January 20265863.8%27.6%0.0%
February 20265269.2%19.2%0.0%
March 20265865.5%17.2%10.3%
April 20265967.8%25.4%6.8%
May 20266288.7%9.7%0.0%
June 20266078.3%18.3%1.7%

What drove ORD to SPI delay minutes?

Late aircraft was the largest recorded ORD-to-SPI delay category, accounting for 43.9% of 13,678 BTS-attributed delay minutes during July 2025–June 2026.

Airline24.4%
Late aircraft43.9%
National airspace16.4%
Weather15.2%
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.