Route · DTW → BHM · 2020–2025 BTS data
Detroit to Birmingham
The DTW–BHM corridor (Detroit, MI → Birmingham, AL) runs ahead of the national average, served by 7 carriers across roughly 625 miles.
Data updated 2026-06-13
- 79.1%
- On-time
- +0.1 pts
- vs US avg
- 67 min
- Delay when late
- 1,141
- Flights
Cancelled
0.4%
Best Month
Jul 2021 89%
Worst Month
Jul 2024 59%
Distance
625 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Jul 2025 | 64 | 22 | 1 | 0 | OO,NK |
| Jun 2025 | 32 | 5 | 0 | 0 | NK,OO |
| Apr 2025 | 43 | 9 | 0 | 0 | OO |
| Dec 2024 | 46 | 14 | 0 | 0 | 9E,OO |
| Nov 2024 | 57 | 12 | 0 | 0 | OO |
| Oct 2024 | 56 | 10 | 0 | 0 | OO,DL |
| Sep 2024 | 51 | 16 | 0 | 0 | OO |
| Aug 2024 | 54 | 15 | 0 | 0 | OO |
| Jul 2024 | 54 | 22 | 0 | 0 | 9E,OO |
| Jun 2024 | 49 | 13 | 0 | 0 | 9E,OO |
| Apr 2024 | 30 | 3 | 0 | 0 | 9E,OO |
| Dec 2023 | 40 | 2 | 0 | 0 | OO,9E |
| Nov 2023 | 44 | 5 | 0 | 0 | 9E,OO |
| Oct 2023 | 47 | 3 | 0 | 0 | 9E,OO |
| Sep 2023 | 46 | 12 | 0 | 0 | 9E,OO |
| Aug 2023 | 58 | 14 | 1 | 1 | OO |
| Jul 2023 | 54 | 17 | 0 | 0 | 9E,OO |
| Jun 2023 | 52 | 7 | 0 | 0 | 9E |
| Mar 2023 | 30 | 6 | 0 | 0 | 9E |
| Oct 2021 | 31 | 1 | 0 | 1 | 9E |
| Jul 2021 | 55 | 6 | 0 | 0 | 9E |
| Jun 2021 | 56 | 14 | 0 | 0 | 9E |
| May 2021 | 47 | 3 | 0 | 0 | 9E |
| Mar 2020 | 45 | 7 | 3 | 0 | 9E,OO |
Cancellation Rate
0.4%
5 of 1,141 flights
Diversion Rate
0.2%
2 of 1,141 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
DTW - Detroit
Full on-time, delay-cause, and seasonal performance for Detroit, MI.
Origin airport →BHM - Birmingham
Full on-time, delay-cause, and seasonal performance for Birmingham, AL.
Destination airport →Compare the two airports
See DTW and BHM side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to DTW–BHM.
Routes with a similar on-time rate
What the Data Says About DTW to BHM
1,141 tracked flights put the DTW to BHM pairing (Detroit to Birmingham) at a 79.1% on-time rate, squarely in line with the wider network. Delays that do occur run 66.6 minutes on average. Across the 625-mile route and its 7 carriers, the trailing 24 months show 0.4% cancelled and 0.2% diverted (1,141 flights sampled).
The monthly split is wide on this route: Jul 2021 posted the strongest performance at 89% on-time, while Jul 2024 came in at just 59% - a 30-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from DTW to BHM? ▼
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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.