Route · GRB → DTW · 2020–2025 BTS data
Green Bay to Detroit
The GRB–DTW corridor (Green Bay, WI → Detroit, MI) runs ahead of the national average, served by 8 carriers across roughly 287 miles.
Data updated 2026-06-13
- 89%
- On-time
- +10 pts
- vs US avg
- 101 min
- Delay when late
- 5,639
- Flights
Cancelled
1.1%
Best Month
Nov 2023 95%
Worst Month
Jan 2024 71%
Distance
287 mi
Carriers
8
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 90 | 24 | 4 | 0 | DL,OO |
| Nov 2025 | 88 | 14 | 6 | 0 | OO,DL |
| Oct 2025 | 84 | 10 | 0 | 0 | OO,DL |
| Jun 2025 | 57 | 5 | 0 | 0 | OO |
| May 2025 | 82 | 9 | 0 | 0 | OO |
| Apr 2025 | 63 | 5 | 2 | 0 | OO |
| Mar 2025 | 72 | 13 | 0 | 0 | OO |
| Feb 2025 | 40 | 8 | 0 | 0 | OO |
| Jan 2025 | 84 | 16 | 0 | 0 | OO |
| Dec 2024 | 78 | 17 | 2 | 0 | OO |
| Nov 2024 | 85 | 15 | 0 | 0 | OO |
| Oct 2024 | 87 | 6 | 0 | 0 | OO |
| Sep 2024 | 81 | 7 | 0 | 0 | OO |
| Aug 2024 | 85 | 14 | 0 | 1 | OO |
| Jul 2024 | 85 | 17 | 0 | 0 | OO |
| Jun 2024 | 84 | 15 | 0 | 0 | OO |
| May 2024 | 88 | 12 | 0 | 0 | OO |
| Apr 2024 | 86 | 16 | 2 | 0 | OO |
| Mar 2024 | 86 | 9 | 0 | 0 | OO |
| Feb 2024 | 75 | 7 | 1 | 0 | OO |
| Jan 2024 | 75 | 22 | 3 | 0 | 9E,OO |
| Dec 2023 | 75 | 4 | 0 | 0 | OO,9E |
| Nov 2023 | 81 | 4 | 0 | 0 | 9E,OO |
| Oct 2023 | 80 | 6 | 0 | 0 | DL,OO |
Cancellation Rate
1.1%
20 of 1,891 flights
Diversion Rate
0.1%
1 of 1,891 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 →DTW - Detroit
Full on-time, delay-cause, and seasonal performance for Detroit, MI.
Destination airport →Compare the two airports
See GRB and DTW 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–DTW.
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What the Data Says About GRB to DTW
Green Bay to Detroit (GRB to DTW) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 89% on-time rate across 5,639 flights, with delays that do happen averaging 100.7 minutes. The corridor runs roughly 287 miles and is served by 8 carriers. Over the most recent 24 months, 20 of 1,891 flights were cancelled (1.1%) and 1 diverted (0.1%).
The monthly split is wide on this route: Nov 2023 posted the strongest performance at 95% on-time, while Jan 2024 came in at just 71% - a 24-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.