Best Time to Fly DTW to MDT: On-Time Stats by Hour & Airline
Detroit Metro Wayne County → Harrisburg International
Data through July 2026 · Last updated October 18, 2026
314 flights were scheduled from Detroit (DTW) to Harrisburg (MDT) in the last 12 months, and 74.7% of those that flew arrived on time, 2.9 points below the US average of 77.6%.
SkyWest Airlines was the only reporting airline with regular flights on this route.
April has been the best month (91% on time) and Sunday the weakest day of the week (73%).
1.9% of flights were cancelled, versus 1.8% nationally.
DTW to MDT on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| SkyWest Airlines | 74.7% | 133 min | 1.9% | 314 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DTW to MDT
On-time arrival % by scheduled departure hour (local time), 796 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 8am–9am | Limited data | 1 | |
| 10am–11am | 78.7% | 2.1% | 96 |
| 1pm–2pm | 73.8% | 0.0% | 66 |
| 2pm–3pm | 71.8% | 0.7% | 280 |
| 3pm–4pm | 87.5% | 0.0% | 48 |
| 4pm–5pm | Limited data | 5 | |
| 9pm–10pm | 82.2% | 1.0% | 300 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DTW to MDT
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 19 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 70.4% | -8.4 pts | 3.6% | 56 |
| Summer peak (Jun 15 - Aug 15) | 81.1% | +2.3 pts | 0.0% | 74 |
| All other days | 78.8% | — | 0.8% | 647 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).