Historical on-time performance
Seattle to Lihue
2,701 miData through May 2026Source: US DOT · BTS
Flights on SEA–LIH arrive on time 71% of the time over the last 12 months.
On-time rate71%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
- Delta Air LinesbestOn-time76%Medianon timep9030 minCancel1.5%Flights337
- Alaska AirlinesOn-time69%Medianon timep9045 minCancel0.5%Flights729
Why flights run late
Delay causes
- Airline40%
- Weather2%
- Air traffic (NAS)24%
- Late aircraft34%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline78%
- Weather22%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 9 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 SEA → LIH
All airlines · rolling 36 months (2023-06 .. 2026-05).
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 · 1,019 flights
- Mornings77% on time · p90 30 min · 693 flights
- Evenings71% on time · p90 45 min · 941 flights
- Middays70% on time · p90 50 min · 481 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 79% on time.
- Sundays79% on time · p90 45 min · 447 flights
- Wednesdays79% on time · p90 30 min · 433 flights
- Tuesdays77% on time · p90 30 min · 433 flights
- Mondays76% on time · p90 40 min · 438 flights
- Saturdays75% on time · p90 40 min · 457 flights
- Thursdays75% on time · p90 35 min · 455 flights
- Fridays72% on time · p90 40 min · 471 flights
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