Historical on-time performance
Seattle to Lihue
2,701 miData through Dec 2025Source: US DOT · BTS
Flights on SEA–LIH arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.8%of scheduled flights
based on 1,066 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.
- Delta Air LinesOn-time76%Medianon timep9035 minCancel1.5%Flights337
- Alaska AirlinesOn-time74%Medianon timep9040 minCancel0.5%Flights729
Why flights run late
Delay causes
- Airline45%
- Weather1%
- Air traffic (NAS)19%
- Late aircraft36%
- Security0%
Most delay minutes here are attributed to Airline.
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly SEA → LIH
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 — 83% on time.
- Afternoons83% on time · p90 25 min · 991 flights
- Mornings77% on time · p90 35 min · 779 flights
- Evenings73% on time · p90 40 min · 930 flights
- Middays72% on time · p90 45 min · 391 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 75% to 79% on time.
- Wednesdays79% on time · p90 30 min · 412 flights
- Sundays78% on time · p90 45 min · 445 flights
- Saturdays77% on time · p90 35 min · 452 flights
- Tuesdays77% on time · p90 30 min · 425 flights
- Mondays77% on time · p90 40 min · 439 flights
- Fridays75% on time · p90 40 min · 468 flights
- Thursdays75% on time · p90 40 min · 450 flights
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