Harrisburg (MDT) to Dallas/Fort Worth (DFW): On-Time Performance
Data through July 2026
Harrisburg (MDT) to Dallas/Fort Worth (DFW) effectively runs on two schedules. In May 2025, 97% of arrivals were on time; in July 2024 that fell to 63% — a 33-point seasonal swing. Across the full period the route averages 84% on-time against a national 78%.
- On-time
- 84%
- arrived <15 min late
- Avg delay
- 19 min
- completed flights
- Cancelled
- 2.6%
- Flights/day
- 1.0
- last 12 months
- Duration
- 3h 35m
- scheduled
- Distance
- 1,231 mi
Monthly on-time trend
Best time to fly from MDT to DFW
Aim for departures around 5 a.m. (93% on-time); avoid 6 a.m. departures (83%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 83% | 16 min |
| Tuesday | 76% | 19 min |
| Wednesday | 87% | 17 min |
| Thursday | 87% | 9 min |
| Friday | 83% | 25 min |
| Saturday | 82% | 28 min |
| Sundaybest | 89% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft29%
- Airline operations53%
- National airspace system16%
- Weather3%
Frequently asked questions
- How often are flights from MDT to DFW delayed?
- 16% of MDT–DFW 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 19 minutes.
- What is the best time of day to fly from MDT to DFW?
- Departures around 5 a.m. have the best record (93% on-time), while departures around 6 a.m. have the worst (83%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MDT to DFW?
- The scheduled MDT–DFW flight time averages 3h 35m over 1,231 miles. Actual arrival times vary — flights on this route land 15+ minutes late 16% of the time.
- How often are MDT to DFW flights cancelled?
- 2.6% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above the national rate of 1.6%.
- What is the worst month to fly from MDT to DFW?
- July 2024 was the roughest month in this dataset, with only 63% of arrivals on time. The best was May 2025 at 97%. If your dates are flexible, that 33-point gap is worth planning around.
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Based on 761 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.