Route · GRB → DTW · 2020–2025 BTS data
Green Bay to Detroit
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), GRB to DTW (Green Bay to Detroit) ranks #2220 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 89%
- On-time
- +10 pts
- vs US avg
- 101 min
- Delay when late
- 5,639
- Flights
- #2220 of 4927
- Corpus placement
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 |
GRB–DTW seasonal on-time pattern
Best: October (92.3%) · weakest: December (83.9%)
Strongest calendar month
October
92.3% on-time · ~89 flights/mo
Busiest calendar month
March
~89 flights/mo avg
Weakest calendar month
December
83.9% on-time · ~80 flights/mo
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.
GRB on-time profileDTW - Detroit
Full on-time, delay-cause, and seasonal performance for Detroit, MI.
DTW on-time profileCompare the two airports
See GRB and DTW side by side on delays, cancellations, and reliability.
Compare GRB vs DTWOrigin-hub reliability standing
Among GRB's stronger departures
GRB → DTW posts a 89% on-time rate, landing in the ≥85% band with 3 of 4 BTS-tracked routes leaving Green Bay. The same hub also shows 1 mid-band and 0 challenged departures · fleet-wide on-time rank #248 of 4927 (highest on-time = #1).
Similar routes
Other BTS-tracked routes with comparable performance or trip length to GRB–DTW.
Routes with a similar on-time rate
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.
On the multi-year calendar, GRB–DTW peaks in October at 92.3% on-time while March carries the heaviest traffic (~89 flights per month) ; the softest month is December at 83.9%, a 8.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does GRB to DTW rank among US routes by traffic? ▼
How often are flights delayed from GRB to DTW? ▼
What is the cancellation rate for GRB to DTW? ▼
How far is the flight from GRB to DTW? ▼
When is the best time to fly from GRB to DTW? ▼
Airports on this route
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 GRB–DTW data
GRB–DTW runs 10 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.
- Compare GRB and DTW airport profiles: delay causes and top routes differ even on the same corridor. GRB airport
- If your dates flex, October (92.3% on-time) beats December (83.9%) on this corridor. Seasonal chart
- 4 other routes post a similar 89% 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.
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.