Detroit (DTW) to Harrisburg (MDT): On-Time Performance
Data through July 2026
Detroit (DTW) to Harrisburg (MDT) 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, 77% arrived on time.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 23 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 0.86
- last 12 months
- Duration
- 1h 25m
- scheduled
- Distance
- 371 mi
Monthly on-time trend
Best time to fly from DTW to MDT
Aim for departures around 3 p.m. (89% on-time); avoid 1 p.m. departures (70%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 75% | 27 min |
| Tuesday | 76% | 26 min |
| Wednesday | 82% | 11 min |
| Thursday | 79% | 24 min |
| Friday | 74% | 21 min |
| Saturdaybest | 84% | 22 min |
| Sunday | 73% | 31 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Airline operations76%
- National airspace system7%
- Weather17%
Frequently asked questions
- How often are flights from DTW to MDT delayed?
- 23% of DTW–MDT 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 23 minutes.
- What is the best time of day to fly from DTW to MDT?
- Departures around 3 p.m. have the best record (89% on-time), while departures around 1 p.m. have the worst (70%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from DTW to MDT?
- The scheduled DTW–MDT flight time averages 1h 25m over 371 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are DTW to MDT 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 MDT?
- December 2025 was the roughest month in this dataset, with only 50% of arrivals on time. The best was October 2025 at 92%. If your dates are flexible, that 42-point gap is worth planning around.
Explore related pages
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Other ways to fly to Harrisburg (MDT)
Related guides
Based on 850 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.