EUG to SEA flight delays & on-time performance
Nonstop flights from Eugene Airport to Seattle–Tacoma International Airport · 234 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at EUG or SEA right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Eugene (EUG) to Seattle (SEA) arrived on time 88% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.4% were cancelled, and 3% arrived an hour or more late.
- Alaska Airlines was the most punctual airline here (88% on time); SkyWest Airlines was the least (88%).
- Departures scheduled around 6am did best (93% on time); around 7pm did worst (71%).
- Sunday was the most reliable day to fly (90% on time) and Friday the least (86%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (57%).
Which airline is most on time from EUG to SEA?
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 |
|---|---|---|---|---|---|
| Alaska Airlines | 88% | 1.2% | 8 min | 2.2% | 328 |
| SkyWest AirlinesRegional airline operating flights for United Express, Delta Connection, American Eagle and Alaska. | 88% | 1.4% | 8 min | 3.5% | 1,605 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am88%94 flights
- 6am93%377 flights
- 7am90%120 flights
- 8am91%80 flights
- 9am90%108 flights
- 10am85%20 flights
- 11am92%308 flights
- 12pm85%86 flights
- 1pm75%173 flights
- 3pm92%80 flights
- 4pm89%28 flights
- 5pm89%379 flights
- 7pm71%80 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday89%1.1% cancelled
- Tuesday89%0.4% cancelled
- Wednesday87%2.8% cancelled
- Thursday87%1.1% cancelled
- Friday86%2.5% cancelled
- Saturday89%0.7% cancelled
- Sunday90%1.1% 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)57%
- Late-arriving aircraft25%
- Extreme weather9%
- Air traffic control & airport congestion8%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather41%
- Air traffic control & airport congestion37%
- Airline (crew, maintenance, cleaning, fueling)22%
- Security0%
EUG to SEA: common questions
- How often are EUG to SEA flights on time?
- 88% 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 Eugene to Seattle cancelled?
- 1.4% of scheduled flights were cancelled (27 of 1,933).
- 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 64 min behind schedule on average, and 3.3% of flights were an hour or more late.
- How long is taxi time at EUG?
- Flights on this route spent 18 min taxiing from the gate to takeoff on average.
Related routes
Return trip: SEA to EUG — 85% on time
More flights from Eugene
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: EUG → SEA, nonstop flights by US airlines that report to the DOT. How we calculate this.