Detroit (DTW) to Miami (MIA): On-Time Performance
Data through July 2026
Detroit (DTW) to Miami (MIA) effectively runs on two schedules. In October 2024, 93% of arrivals were on time; in January 2025 that fell to 60% — a 33-point seasonal swing. Across the full period the route averages 79% on-time against a national 78%. Morning departures also hold up better than evening ones (85% vs 71%), which matters most in the rough months.
- On-time
- 79%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 4.9
- last 12 months
- Duration
- 3h 9m
- scheduled
- Distance
- 1,145 mi
Best airline from DTW to MIA
5 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| American Airlinesmost reliable | 88% | 10 min | 1.0% | 790 |
| Delta Air Lines | 77% | 15 min | 0.9% | 2,005 |
| Spirit Airlines | 74% | 18 min | 2.3% | 523 |
| Envoy Air | 73% | 18 min | 0.0% | 187 |
| Frontier Airlines | 67% | 33 min | 1.6% | 64 |
Monthly on-time trend
Best time to fly from DTW to MIA
Aim for departures around 9 a.m. (90% on-time); avoid 8 p.m. departures (58%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 19 min |
| Tuesdaybest | 87% | 8 min |
| Wednesday | 82% | 13 min |
| Thursday | 77% | 16 min |
| Friday | 78% | 13 min |
| Saturday | 77% | 17 min |
| Sunday | 72% | 16 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft23%
- Airline operations44%
- National airspace system32%
- Weather1%
Frequently asked questions
- How often are flights from DTW to MIA delayed?
- 21% of DTW–MIA 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 15 minutes.
- Which airline is most reliable from DTW to MIA?
- American Airlines has the best on-time record on this route at 88%, based on 790 flights. 5 airlines flew DTW–MIA frequently enough to compare in this period.
- What is the best time of day to fly from DTW to MIA?
- Departures around 9 a.m. have the best record (90% on-time), while departures around 8 p.m. have the worst (58%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DTW to MIA?
- The scheduled DTW–MIA flight time averages 3h 9m over 1,145 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are DTW to MIA 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 DTW to MIA?
- January 2025 was the roughest month in this dataset, with only 60% of arrivals on time. The best was October 2024 at 93%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 3,579 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.