Historical on-time performance
Honolulu to Seattle
2,677 miData through May 2026Source: US DOT · BTS
Flights on HNL–SEA arrive on time 74% of the time over the last 12 months.
On-time rate74%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled0.9%of scheduled flights
based on 2,946 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Delta Air LinesbestOn-time88%Medianon timep9015 minCancel1.4%Flights789
- Alaska AirlinesOn-time72%Medianon timep9045 minCancel0.8%Flights1,309
- Hawaiian AirlinesOn-time65%Median5 minp9050 minCancel0.5%Flights848
Why flights run late
Delay causes
- Airline59%
- Weather1%
- Air traffic (NAS)9%
- Late aircraft30%
- Security0%
Most delay minutes here are attributed to Airline.
When flights don't go
Why flights were cancelled
- Airline85%
- Weather15%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Airline. Shares are among 26 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 HNL → 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 70% to 84% on time.
- Mornings84% on time · p90 20 min · 1,226 flights
- Overnights83% on time · p90 25 min · 3,251 flights
- Middays74% on time · p90 35 min · 2,987 flights
- Afternoons70% on time · p90 45 min · 1,302 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 77% to 80% on time.
- Wednesdays80% on time · p90 30 min · 1,261 flights
- Tuesdays80% on time · p90 30 min · 1,233 flights
- Mondays79% on time · p90 25 min · 1,221 flights
- Saturdays77% on time · p90 35 min · 1,283 flights
- Thursdays77% on time · p90 30 min · 1,273 flights
- Fridays77% on time · p90 30 min · 1,281 flights
- Sundays77% on time · p90 35 min · 1,284 flights
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