Route · GRB → ORD · 2020–2025 BTS data
Green Bay to Chicago
The GRB–ORD corridor (Green Bay, WI → Chicago, IL) runs ahead of the national average, served by 18 carriers across roughly 173 miles.
Data updated 2026-06-13
- 81.7%
- On-time
- +2.7 pts
- vs US avg
- 88 min
- Delay when late
- 9,675
- Flights
Cancelled
2.3%
Best Month
Feb 2024 90%
Worst Month
Dec 2025 62%
Distance
173 mi
Carriers
18
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 247 | 94 | 10 | 0 | YX,MQ,OO |
| Nov 2025 | 271 | 57 | 26 | 0 | OO,MQ,YX |
| Oct 2025 | 213 | 47 | 2 | 0 | OO,YX,MQ |
| Sep 2025 | 195 | 38 | 2 | 0 | MQ,OO |
| Aug 2025 | 239 | 59 | 7 | 1 | OO,YX,MQ |
| Jul 2025 | 265 | 87 | 4 | 0 | OO,YX,MQ |
| Jun 2025 | 275 | 77 | 0 | 0 | OO,YX,MQ |
| May 2025 | 208 | 43 | 2 | 0 | OO,YX,MQ |
| Apr 2025 | 176 | 33 | 2 | 0 | MQ,OO,YX |
| Mar 2025 | 117 | 38 | 1 | 0 | YX,OO |
| Feb 2025 | 91 | 27 | 1 | 0 | OO,YX |
| Jan 2025 | 111 | 35 | 2 | 0 | OO,YX |
| Dec 2024 | 80 | 21 | 2 | 0 | OO |
| Nov 2024 | 95 | 17 | 3 | 0 | OO,MQ |
| Oct 2024 | 163 | 24 | 0 | 0 | MQ,OO |
| Sep 2024 | 211 | 36 | 0 | 0 | YX,OO,MQ |
| Aug 2024 | 175 | 42 | 1 | 0 | MQ,YX,OO |
| Jul 2024 | 70 | 16 | 3 | 0 | MQ,OO,YX |
| Jun 2024 | 161 | 49 | 4 | 0 | MQ,OO,YX |
| May 2024 | 133 | 35 | 5 | 0 | MQ,OO,YX |
| Apr 2024 | 178 | 30 | 3 | 1 | MQ,OO,YX |
| Mar 2024 | 159 | 21 | 0 | 0 | MQ,YX,OO |
| Feb 2024 | 154 | 16 | 2 | 0 | MQ,OO,YX |
| Jan 2024 | 130 | 41 | 12 | 0 | MQ,YX,OO |
Cancellation Rate
2.3%
94 of 4,117 flights
Diversion Rate
0.0%
2 of 4,117 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
GRB - Green Bay
Full on-time, delay-cause, and seasonal performance for Green Bay, WI.
Origin airport →ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Destination airport →Compare the two airports
See GRB and ORD side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to GRB–ORD.
Routes with a similar on-time rate
What the Data Says About GRB to ORD
9,675 tracked flights put the GRB to ORD pairing (Green Bay to Chicago) at a 81.7% on-time rate, squarely in line with the wider network. Delays that do occur run 88.3 minutes on average. Across the 173-mile route and its 18 carriers, the trailing 24 months show 2.3% cancelled and 0.0% diverted (4,117 flights sampled).
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 90% on-time, while Dec 2025 came in at just 62% - a 28-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from GRB to ORD? ▼
What is the cancellation rate for GRB to ORD? ▼
How far is the flight from GRB to ORD? ▼
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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.