Historical on-time performance
Eugene to Seattle
234 miData through May 2026Source: US DOT · BTS
Flights on EUG–SEA arrive on time 85% of the time over the last 12 months.
On-time rate85%arrived within 15 min
p90 delay20 min1 in 10 flights is worse (tail risk)
Cancelled1.4%of scheduled flights
based on 1,912 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- SkyWest AirlinesbestOn-time87%Medianon timep9015 minCancel1.4%Flights1,540
- Alaska AirlinesOn-time78%Medianon timep9035 minCancel1.3%Flights372
Why flights run late
Delay causes
- Airline55%
- Weather8%
- Air traffic (NAS)10%
- Late aircraft27%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline26%
- Weather41%
- Air traffic (NAS)33%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 27 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly EUG → SEA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 85% to 90% on time.
- Afternoons90% on time · p90 10 min · 175 flights · limited
- Mornings87% on time · p90 15 min · 2,098 flights
- Evenings86% on time · p90 15 min · 969 flights
- Middays85% on time · p90 20 min · 1,662 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 83% to 89% on time.
- Tuesdays89% on time · p90 15 min · 709 flights
- Saturdays88% on time · p90 15 min · 618 flights
- Sundays87% on time · p90 15 min · 708 flights
- Thursdays86% on time · p90 15 min · 722 flights
- Mondays86% on time · p90 20 min · 718 flights
- Wednesdays85% on time · p90 20 min · 710 flights
- Fridays83% on time · p90 20 min · 719 flights
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