Washington (IAD) to Morgantown (MGW): On-Time Performance
Data through July 2026
Washington (IAD) to Morgantown (MGW) is a thinner route than most in this dataset — 362 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 76% arrived on time. Cancellations are the bigger caveat: 5.7% of scheduled flights never departed.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 46 min
- completed flights
- Cancelled
- 5.7%
- Flights/day
- 0.99
- last 12 months
- Duration
- 1h 7m
- scheduled
- Distance
- 140 mi
Monthly on-time trend
Best time to fly from IAD to MGW
Aim for departures around 8 a.m. (82% on-time); avoid 10 p.m. departures (70%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 73% | 29 min |
| Tuesdaybest | 81% | 35 min |
| Wednesday | 69% | 65 min |
| Thursday | 78% | 49 min |
| Friday | 74% | 69 min |
| Saturday | 80% | 42 min |
| Sunday | 77% | 32 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft53%
- Airline operations24%
- National airspace system4%
- Weather20%
Frequently asked questions
- How often are flights from IAD to MGW delayed?
- 24% of IAD–MGW 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 46 minutes.
- What is the best time of day to fly from IAD to MGW?
- Departures around 8 a.m. have the best record (82% on-time), while departures around 10 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 IAD to MGW?
- The scheduled IAD–MGW flight time averages 1h 7m over 140 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are IAD to MGW flights cancelled?
- 5.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07 — several times the typical US rate, so consider earlier departures or backup options.
- What is the worst month to fly from IAD to MGW?
- March 2026 was the roughest month in this dataset, with only 50% of arrivals on time. The best was April 2025 at 96%. If your dates are flexible, that 46-point gap is worth planning around.
Explore related pages
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Based on 593 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.