Harrisburg (MDT) to Detroit (DTW): On-Time Performance
Data through July 2026
Harrisburg (MDT) to Detroit (DTW) is a thinner route than most in this dataset — 314 departures over the past year, roughly 6 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 82% arrived on time.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 21 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 0.86
- last 12 months
- Duration
- 1h 38m
- scheduled
- Distance
- 371 mi
Monthly on-time trend
Best time to fly from MDT to DTW
Aim for departures around 6 a.m. (90% on-time); avoid 4 p.m. departures (69%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 25 min |
| Tuesday | 85% | 17 min |
| Wednesdaybest | 89% | 18 min |
| Thursday | 82% | 18 min |
| Friday | 76% | 24 min |
| Saturday | 86% | 18 min |
| Sunday | 80% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Airline operations71%
- National airspace system6%
- Weather24%
Frequently asked questions
- How often are flights from MDT to DTW delayed?
- 18% of MDT–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 21 minutes.
- What is the best time of day to fly from MDT to DTW?
- Departures around 6 a.m. have the best record (90% on-time), while departures around 4 p.m. have the worst (69%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MDT to DTW?
- The scheduled MDT–DTW flight time averages 1h 38m over 371 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are MDT to DTW 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 MDT to DTW?
- December 2025 was the roughest month in this dataset, with only 62% of arrivals on time. The best was October 2025 at 94%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 850 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.