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Route · SPI → ORD · 2020–2025 BTS data

Springfield to Chicago

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SPI to ORD (Springfield to Chicago) ranks #4483 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

84%
On-time
+5 pts
vs US avg
96 min
Delay when late
1,030
Flights
#4483 of 4927
Corpus placement

Cancelled

5.1%

Best Month

Aug 2020 92%

Worst Month

Dec 2025 73%

Distance

174 mi

Carriers

4

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 59 16 4 0 MQ
Nov 2025 59 13 4 0 OO,MQ
Oct 2025 61 7 0 0 OO,MQ
Sep 2025 57 9 1 0 MQ,OO
Aug 2025 60 14 3 0 OO,MQ
Jul 2025 47 11 4 0 OO,MQ
Jun 2025 50 15 0 0 OO,MQ
May 2025 61 11 1 0 MQ
Apr 2025 50 10 0 0 MQ
May 2023 31 1 1 0 OO
Apr 2023 30 1 2 0 OO
Mar 2023 31 2 0 0 OO
Aug 2022 31 9 2 0 OO
Jul 2022 31 3 2 0 OO
Sep 2020 31 5 0 0 OO
Aug 2020 59 5 0 0 OO
Jul 2020 31 2 0 0 OO
Jun 2020 30 1 0 0 OO
Apr 2020 30 0 12 0 OO
Mar 2020 62 7 9 0 OO
Feb 2020 58 13 2 0 OO
Jan 2020 71 10 6 0 MQ,OO

SPI–ORD seasonal on-time pattern

Best: March (90.3%) · weakest: December (72.9%)

70%75%80%85%90%95% JanFebMarAprMayJunJulAugSepOctNovDec 72.9%

Strongest calendar month

March

90.3% on-time · ~47 flights/mo

Busiest calendar month

January

~71 flights/mo avg

Weakest calendar month

December

72.9% on-time · ~59 flights/mo

Cancellation Rate

5.1%

53 of 1,030 flights

Diversion Rate

0.0%

0 of 1,030 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

SPI - Springfield

Full on-time, delay-cause, and seasonal performance for Springfield, IL.

SPI on-time profile

ORD - Chicago

Full on-time, delay-cause, and seasonal performance for Chicago, IL.

ORD on-time profile

Compare the two airports

See SPI and ORD side by side on delays, cancellations, and reliability.

Compare SPI vs ORD

Origin-hub reliability standing

Mid-pack among SPI departures

From SPI, this corridor sits with 2 other 75–85% on-time routes out of 2 tracked departures, not the hub's reliability leaders (0 at ≥85%) and not the softest ( 0 below 75%). Destination: Chicago · fleet on-time rank #1594 of 4927.

What the Data Says About SPI to ORD

Bureau of Transportation Statistics records show Springfield to Chicago (SPI to ORD) running a 84% on-time rate over 1,030 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 95.9 minutes. The 174-mile corridor is served by 4 carriers, and over the last 24 months 5.1% of 1,030 flights were cancelled, 0.0% diverted.

The monthly split is wide on this route: Aug 2020 posted the strongest performance at 92% on-time, while Dec 2025 came in at just 73% - a 19-point swing worth factoring into travel timing.

On the multi-year calendar, SPI–ORD peaks in March at 90.3% on-time while January carries the heaviest traffic (~71 flights per month) ; the softest month is December at 72.9%, a 17.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SPI to ORD rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SPI to ORD ranks #4483 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SPI to ORD? ▼
Flights from Springfield to Chicago have a 84% on-time rate based on 1,030 flights. The average delay is 95.9 minutes. The best recent month was Aug 2020 with 92% on-time.
What is the cancellation rate for SPI to ORD? ▼
Over the last 24 months, 5.1% of flights on this route were cancelled (53 of 1,030 flights) and 0.0% were diverted.
How far is the flight from SPI to ORD? ▼
The flight distance from Springfield (SPI) to Chicago (ORD) is approximately 174 miles. This route is served by 4 carriers.
When is the best time to fly from SPI to ORD? ▼
The best recent month for on-time performance was Aug 2020 (92% on-time). The worst was Dec 2025 (73% on-time). Consider booking during months with historically better performance.

Airports on this route

SPI Airport

Springfield
ORD Airport

Chicago
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using SPI–ORD data

SPI–ORD runs 5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare SPI and ORD airport profiles: delay causes and top routes differ even on the same corridor. SPI airport
  • If your dates flex, March (90.3% on-time) beats December (72.9%) on this corridor. Seasonal chart
  • 4 other routes post a similar 84% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.