Portland (PDX) to Kona (KOA): On-Time Performance
Data through July 2026
Portland (PDX) to Kona (KOA) effectively runs on two schedules. In July 2026, 100% of arrivals were on time; in October 2025 that fell to 71% — a 29-point seasonal swing. Across the full period the route averages 86% on-time against a national 78%.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 7 min
- completed flights
- Cancelled
- 0.0%
- Flights/day
- 1.0
- last 12 months
- Duration
- 6h 7m
- scheduled
- Distance
- 2,607 mi
Monthly on-time trend
Best time to fly from PDX to KOA
Aim for departures around 8 a.m. (91% on-time); avoid 10 a.m. departures (81%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 86% | 8 min |
| Tuesday | 86% | 10 min |
| Wednesday | 88% | 6 min |
| Thursday | 86% | 4 min |
| Fridaybest | 89% | 6 min |
| Saturday | 84% | 9 min |
| Sunday | 85% | 9 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft12%
- Airline operations48%
- National airspace system39%
- Weather2%
Frequently asked questions
- How often are flights from PDX to KOA delayed?
- 14% of PDX–KOA flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 7 minutes.
- What is the best time of day to fly from PDX to KOA?
- Departures around 8 a.m. have the best record (91% on-time), while departures around 10 a.m. have the worst (81%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from PDX to KOA?
- The scheduled PDX–KOA flight time averages 6h 7m over 2,607 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are PDX to KOA flights cancelled?
- 0% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from PDX to KOA?
- October 2025 was the roughest month in this dataset, with only 71% of arrivals on time. The best was July 2026 at 100%. If your dates are flexible, that 29-point gap is worth planning around.
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Related guides
Based on 738 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.