IAD to SCE flight delays & on-time performance
Nonstop flights from Washington Dulles International Airport to State College Regional Airport · 132 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at IAD or SCE 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 State College (SCE) arrived on time 82% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 3.4% were cancelled, and 7% arrived an hour or more late.
- Republic Airways is the only airline reporting nonstop flights on this route.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (32%).
Which airline is most on time from IAD to SCE?
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 |
|---|---|---|---|---|---|
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 82% | 3.4% | 8 min | 7.1% | 29 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
Not enough departures across different hours to compare.
Best day of the week
On-time arrival rate by day of departure.
- Monday67%0.0% cancelled
- Tuesday67%0.0% cancelled
- Wednesday100%33.3% cancelled
- Thursday100%0.0% cancelled
- Friday80%0.0% cancelled
- Saturday100%0.0% cancelled
- Sunday71%0.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)32%
- Extreme weather30%
- Air traffic control & airport congestion25%
- Late-arriving aircraft13%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather100%
- Airline (crew, maintenance, cleaning, fueling)0%
- Air traffic control & airport congestion0%
- Security0%
IAD to SCE: common questions
- How often are IAD to SCE 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 Washington to State College cancelled?
- 3.4% of scheduled flights were cancelled (1 of 29).
- How long are typical delays?
- Across all flights the average arrival delay was 8 min (early arrivals count as zero). Flights that were late arrived 43 min behind schedule on average, and 7.1% of flights were an hour or more late.
- How long is taxi time at IAD?
- Flights on this route spent 26 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SCE to IAD — 86% on time
More flights from Washington
More flights to State College
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: IAD → SCE, nonstop flights by US airlines that report to the DOT. How we calculate this.