Miami (MIA) to Detroit (DTW): On-Time Performance
Data through July 2026
The calendar drives reliability on MIA–DTW. October 2024 flights landed on schedule 91% of the time, but January 2025 dropped to 64% — a gap of 27 points. Across the full period the route averages 74% on-time against a national 78%. Morning departures also hold up better than evening ones (87% vs 65%), which matters most in the rough months.
- On-time
- 74%
- arrived <15 min late
- Avg delay
- 22 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 4.9
- last 12 months
- Duration
- 3h 11m
- scheduled
- Distance
- 1,145 mi
Best airline from MIA to DTW
5 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Delta Air Linesmost reliable | 80% | 19 min | 0.9% | 2,006 |
| Envoy Air | 77% | 12 min | 0.0% | 186 |
| Frontier Airlines | 68% | 30 min | 3.1% | 64 |
| American Airlines | 67% | 23 min | 1.0% | 790 |
| Spirit Airlines | 61% | 33 min | 2.5% | 521 |
Monthly on-time trend
Best time to fly from MIA to DTW
Aim for departures around 8 a.m. (92% on-time); avoid 4 p.m. departures (51%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 25 min |
| Tuesday | 78% | 17 min |
| Wednesdaybest | 81% | 18 min |
| Thursday | 74% | 23 min |
| Friday | 72% | 18 min |
| Saturday | 72% | 23 min |
| Sunday | 68% | 28 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft37%
- Airline operations38%
- National airspace system19%
- Weather5%
Frequently asked questions
- How often are flights from MIA to DTW delayed?
- 26% of MIA–DTW 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 22 minutes.
- Which airline is most reliable from MIA to DTW?
- Delta Air Lines has the best on-time record on this route at 80%, based on 2,006 flights. 5 airlines flew MIA–DTW frequently enough to compare in this period.
- What is the best time of day to fly from MIA to DTW?
- Departures around 8 a.m. have the best record (92% on-time), while departures around 4 p.m. have the worst (51%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MIA to DTW?
- The scheduled MIA–DTW flight time averages 3h 11m over 1,145 miles. Actual arrival times vary — flights on this route land 15+ minutes late 26% of the time.
- How often are MIA to DTW flights cancelled?
- 1.1% 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 MIA to DTW?
- January 2025 was the roughest month in this dataset, with only 64% of arrivals on time. The best was October 2024 at 91%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 3,577 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.