MGW to IAD flight delays & on-time performance
Nonstop flights from Morgantown Municipal Airport Walter L. (Bill) Hart Field to Washington Dulles International Airport · 140 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at MGW or IAD right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Morgantown (MGW) to Washington (IAD) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 5% were cancelled, and 13% arrived an hour or more late.
- SkyWest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 6am did best (85% on time); around 8pm did worst (72%).
- Tuesday was the most reliable day to fly (88% on time) and Monday the least (76%).
- The largest source of delay minutes was late-arriving aircraft (59%).
Which airline is most on time from MGW to IAD?
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. | 82% | 5.0% | 47 min | 13.1% | 362 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am85%270 flights
- 8pm72%92 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday76%5.8% cancelled
- Tuesday88%7.7% cancelled
- Wednesday84%2.0% cancelled
- Thursday77%6.0% cancelled
- Friday83%1.9% cancelled
- Saturday80%5.8% cancelled
- Sunday86%5.8% 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 aircraft59%
- Airline (crew, maintenance, cleaning, fueling)26%
- Extreme weather12%
- Air traffic control & airport congestion3%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather67%
- Air traffic control & airport congestion22%
- Airline (crew, maintenance, cleaning, fueling)11%
- Security0%
MGW to IAD: common questions
- How often are MGW to IAD flights on time?
- 82% 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 Morgantown to Washington cancelled?
- 5.0% of scheduled flights were cancelled (18 of 362).
- How long are typical delays?
- Across all flights the average arrival delay was 47 min (early arrivals count as zero). Flights that were late arrived 254 min behind schedule on average, and 13.1% of flights were an hour or more late.
- How long is taxi time at MGW?
- Flights on this route spent 22 min taxiing from the gate to takeoff on average.
Related routes
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: MGW → IAD, nonstop flights by US airlines that report to the DOT. How we calculate this.