Historical on-time performance
Portland to Kona
Flights on PDX–KOA arrive on time 84% of the time over the last 12 months.
based on 307 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Alaska AirlinesOn-time84%Medianon timep9020 minCancel0.0%Flights307
Why flights run late
Delay causes
- Airline34%
- Weather1%
- Air traffic (NAS)45%
- Late aircraft20%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline89%
- Weather11%
- 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 PDX → KOA
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 78% to 85% on time.
- Mornings85% on time · p90 20 min · 877 flights
- Middays78% on time · p90 30 min · 146 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 82% to 87% on time.
- Wednesdays87% on time · p90 20 min · 139 flights · limited
- Mondays86% on time · p90 25 min · 141 flights · limited
- Sundays84% on time · p90 20 min · 148 flights · limited
- Saturdays84% on time · p90 20 min · 157 flights · limited
- Fridays84% on time · p90 20 min · 142 flights · limited
- Tuesdays82% on time · p90 20 min · 147 flights · limited
- Thursdays82% on time · p90 20 min · 149 flights · limited
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