Route · BHM → DTW · 2020–2025 BTS data
Birmingham to Detroit
The BHM–DTW corridor (Birmingham, AL → Detroit, MI) runs ahead of the national average, served by 7 carriers across roughly 625 miles.
Data updated 2026-06-13
- 82.8%
- On-time
- +3.8 pts
- vs US avg
- 108 min
- Delay when late
- 1,141
- Flights
Cancelled
0.6%
Best Month
Jul 2021 88%
Worst Month
Aug 2024 70%
Distance
625 mi
Carriers
7
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Jul 2025 | 63 | 15 | 1 | 1 | OO,NK |
| Jun 2025 | 32 | 6 | 0 | 0 | NK,OO |
| Apr 2025 | 42 | 10 | 0 | 0 | OO |
| Dec 2024 | 47 | 15 | 0 | 0 | 9E,OO |
| Nov 2024 | 57 | 13 | 0 | 0 | OO |
| Oct 2024 | 57 | 15 | 0 | 0 | OO,DL,9E |
| Sep 2024 | 51 | 7 | 0 | 0 | OO |
| Aug 2024 | 54 | 16 | 0 | 2 | OO |
| Jul 2024 | 54 | 14 | 0 | 0 | 9E,OO |
| Jun 2024 | 48 | 6 | 0 | 1 | 9E,OO |
| Apr 2024 | 30 | 8 | 0 | 0 | 9E,OO |
| Dec 2023 | 41 | 0 | 0 | 1 | OO,9E |
| Nov 2023 | 44 | 3 | 0 | 0 | 9E,OO |
| Oct 2023 | 47 | 2 | 0 | 0 | 9E,OO |
| Sep 2023 | 46 | 4 | 0 | 0 | 9E,OO |
| Aug 2023 | 58 | 11 | 2 | 0 | OO |
| Jul 2023 | 54 | 9 | 0 | 0 | 9E,OO |
| Jun 2023 | 51 | 8 | 0 | 0 | 9E |
| Mar 2023 | 30 | 3 | 1 | 0 | 9E |
| Oct 2021 | 31 | 4 | 0 | 0 | 9E |
| Jul 2021 | 56 | 7 | 0 | 0 | 9E |
| Jun 2021 | 56 | 7 | 0 | 0 | 9E |
| May 2021 | 47 | 6 | 0 | 0 | 9E |
| Mar 2020 | 45 | 7 | 3 | 0 | 9E,OO |
Cancellation Rate
0.6%
7 of 1,141 flights
Diversion Rate
0.4%
5 of 1,141 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BHM - Birmingham
Full on-time, delay-cause, and seasonal performance for Birmingham, AL.
Origin airport →DTW - Detroit
Full on-time, delay-cause, and seasonal performance for Detroit, MI.
Destination airport →Compare the two airports
See BHM 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 BHM–DTW.
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What the Data Says About BHM to DTW
Bureau of Transportation Statistics records show Birmingham to Detroit (BHM to DTW) running a 82.8% on-time rate over 1,141 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 108.4 minutes. The 625-mile corridor is served by 7 carriers, and over the last 24 months 0.6% of 1,141 flights were cancelled, 0.4% diverted.
The monthly split is wide on this route: Jul 2021 posted the strongest performance at 88% on-time, while Aug 2024 came in at just 70% - a 17-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.