Detroit (DTW) to Birmingham (BHM): On-Time Performance
Data through July 2026
Detroit (DTW) to Birmingham (BHM) is a thinner route than most in this dataset — 312 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 72% arrived on time, noticeably below the national average of 78%.
- On-time
- 72%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 0.85
- last 12 months
- Duration
- 1h 59m
- scheduled
- Distance
- 625 mi
Best airline from DTW to BHM
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 77% | 18 min | 0.9% | 115 |
| SkyWest Airlines | 71% | 22 min | 0.8% | 707 |
Monthly on-time trend
Best time to fly from DTW to BHM
Aim for departures around 8 a.m. (79% on-time); avoid 3 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 68% | 28 min |
| Tuesday | 75% | 18 min |
| Wednesday | 71% | 18 min |
| Thursdaybest | 78% | 16 min |
| Friday | 71% | 25 min |
| Saturday | 76% | 17 min |
| Sunday | 66% | 23 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft6%
- Airline operations75%
- National airspace system8%
- Weather12%
Frequently asked questions
- How often are flights from DTW to BHM delayed?
- 28% of DTW–BHM flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 21 minutes.
- Which airline is most reliable from DTW to BHM?
- Delta Air Lines has the best on-time record on this route at 77%, based on 115 flights. 2 airlines flew DTW–BHM frequently enough to compare in this period.
- What is the best time of day to fly from DTW to BHM?
- Departures around 8 a.m. have the best record (79% on-time), while departures around 3 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DTW to BHM?
- The scheduled DTW–BHM flight time averages 1h 59m over 625 miles. Actual arrival times vary — flights on this route land 15+ minutes late 28% of the time.
- How often are DTW to BHM flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from DTW to BHM?
- March 2026 was the roughest month in this dataset, with only 55% of arrivals on time. The best was June 2025 at 84%. If your dates are flexible, that 30-point gap is worth planning around.
Explore related pages
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Related guides
Based on 853 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.