PlainFlights

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

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?
Flights from Green Bay to Chicago have a 81.7% on-time rate based on 9,675 flights. The average delay is 88.3 minutes. The best recent month was Feb 2024 with 90% on-time.
What is the cancellation rate for GRB to ORD?
Over the last 24 months, 2.3% of flights on this route were cancelled (94 of 4,117 flights) and 0.0% were diverted.
How far is the flight from GRB to ORD?
The flight distance from Green Bay (GRB) to Chicago (ORD) is approximately 173 miles. This route is served by 18 carriers.
When is the best time to fly from GRB to ORD?
The best recent month for on-time performance was Feb 2024 (90% on-time). The worst was Dec 2025 (62% on-time). Consider booking during months with historically better performance.

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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.

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 Editorial

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.