Historical on-time performance
San Francisco to Eugene
451 miData through Dec 2025Source: US DOT · BTS
Flights on SFO–EUG arrive on time 83% of the time over the last 12 months.
On-time rate83%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.2%of scheduled flights
based on 882 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Too close to call — no single carrier is clearly more on-time here.
- United AirlinesOn-time83%Medianon timep9035 minCancel0.3%Flights756
- SkyWest AirlinesOn-time82%Medianon timep9025 minCancel0.0%Flights126
Why flights run late
Delay causes
- Airline40%
- Weather0%
- Air traffic (NAS)11%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SFO → EUG
All airlines · rolling 36 months (2023-01 .. 2025-12).
Best time of day
Afternoons are the most reliable time of day to fly this route — 87% on time.
- Afternoons87% on time · p90 20 min · 548 flights
- Middays83% on time · p90 35 min · 1,171 flights
- Evenings79% on time · p90 60 min · 413 flights
- Overnights77% on time · p90 35 min · 739 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 79% to 86% on time.
- Saturdays86% on time · p90 25 min · 405 flights
- Tuesdays84% on time · p90 20 min · 406 flights
- Fridays81% on time · p90 40 min · 411 flights
- Wednesdays81% on time · p90 30 min · 414 flights
- Sundays80% on time · p90 30 min · 415 flights
- Thursdays80% on time · p90 35 min · 407 flights
- Mondays79% on time · p90 40 min · 414 flights
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