IAD to MGW flight delays & on-time performance
Nonstop flights from Washington Dulles International Airport to Morgantown Municipal Airport Walter L. (Bill) Hart Field · 140 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAD or MGW right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Washington (IAD) to Morgantown (MGW) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 6.1% were cancelled, and 16% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 8am did best (77% on time); around 10pm did worst (72%).
- Thursday was the most reliable day to fly (81% on time) and Wednesday the least (67%).
- The largest source of delay minutes was late-arriving aircraft (54%).
Which airline is most on time from IAD to MGW?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 74% | 6.1% | 56 min | 16.2% | 362 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am77%120 flights
- 10pm72%241 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday72%9.6% cancelled
- Tuesday78%5.8% cancelled
- Wednesday67%3.9% cancelled
- Thursday81%4.0% cancelled
- Friday69%5.7% cancelled
- Saturday72%3.8% cancelled
- Sunday78%9.6% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft54%
- Extreme weather23%
- Airline (crew, maintenance, cleaning, fueling)19%
- Air traffic control & airport congestion4%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather68%
- Air traffic control & airport congestion23%
- Airline (crew, maintenance, cleaning, fueling)9%
- Security0%
IAD to MGW: common questions
- How often are IAD to MGW flights on time?
- 74% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Washington to Morgantown cancelled?
- 6.1% of scheduled flights were cancelled (22 of 362).
- How long are typical delays?
- Across all flights the average arrival delay was 56 min (early arrivals count as zero). Flights that were late arrived 208 min behind schedule on average, and 16.2% of flights were an hour or more late.
- How long is taxi time at IAD?
- Flights on this route spent 25 min taxiing from the gate to takeoff on average.
Related routes
Return trip: MGW to IAD — 82% on time
More flights from Washington
More flights to Morgantown
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAD → MGW, nonstop flights by US airlines that report to the DOT. How we calculate this.