Route · ORD → CMI · 2020–2025 BTS data
Chicago to Champaign/Urbana
The ORD–CMI corridor (Chicago, IL → Champaign/Urbana, IL) runs ahead of the national average, served by 1 carrier across roughly 135 miles.
Data updated 2026-06-13
- 81.4%
- On-time
- +2.4 pts
- vs US avg
- 66 min
- Delay when late
- 4,377
- Flights
Cancelled
2.7%
Best Month
Oct 2024 93%
Worst Month
May 2024 53%
Distance
135 mi
Carriers
1
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 97 | 39 | 6 | 0 | MQ |
| Nov 2025 | 104 | 22 | 11 | 0 | MQ |
| Oct 2025 | 103 | 28 | 0 | 0 | MQ |
| Sep 2025 | 68 | 10 | 0 | 0 | MQ |
| Aug 2025 | 84 | 22 | 3 | 0 | MQ |
| Jul 2025 | 69 | 25 | 2 | 0 | MQ |
| Jun 2025 | 72 | 26 | 1 | 0 | MQ |
| May 2025 | 88 | 13 | 1 | 0 | MQ |
| Apr 2025 | 82 | 9 | 1 | 1 | MQ |
| Mar 2025 | 54 | 13 | 0 | 0 | MQ |
| Feb 2025 | 52 | 24 | 3 | 0 | MQ |
| Jan 2025 | 51 | 18 | 0 | 0 | MQ |
| Nov 2024 | 30 | 6 | 0 | 0 | MQ |
| Oct 2024 | 57 | 4 | 0 | 0 | MQ |
| Sep 2024 | 60 | 14 | 0 | 0 | MQ |
| Aug 2024 | 64 | 18 | 0 | 0 | MQ |
| Jul 2024 | 62 | 23 | 2 | 0 | MQ |
| Jun 2024 | 56 | 22 | 0 | 0 | MQ |
| May 2024 | 62 | 29 | 3 | 0 | MQ |
| Apr 2024 | 60 | 14 | 0 | 0 | MQ |
| Mar 2024 | 62 | 15 | 0 | 0 | MQ |
| Feb 2024 | 58 | 7 | 0 | 0 | MQ |
| Jan 2024 | 61 | 20 | 10 | 0 | MQ |
| Dec 2023 | 62 | 13 | 0 | 0 | MQ |
Cancellation Rate
2.7%
43 of 1,618 flights
Diversion Rate
0.1%
1 of 1,618 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →CMI - Champaign/Urbana
Full on-time, delay-cause, and seasonal performance for Champaign/Urbana, IL.
Destination airport →Compare the two airports
See ORD and CMI side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORD–CMI.
Routes with a similar on-time rate
What the Data Says About ORD to CMI
4,377 tracked flights put the ORD to CMI pairing (Chicago to Champaign/Urbana) at a 81.4% on-time rate, squarely in line with the wider network. Delays that do occur run 66.1 minutes on average. Across the 135-mile route and its 1 carrier, the trailing 24 months show 2.7% cancelled and 0.1% diverted (1,618 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 93% on-time, while May 2024 came in at just 53% - a 40-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from ORD to CMI? ▼
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Flight Guides
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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.
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.