FlightRecord

Portland (PDX) to Kona (KOA): On-Time Performance

Data through May 2026

Portland (PDX) to Kona (KOA) is a thinner route than most in this dataset — 360 departures over the past year, roughly 7 a week — so treat these numbers as indicative rather than definitive. Of the flights that did operate, 86% arrived on time, comfortably above the national average of 78%.

On-time
86%
arrived <15 min late
Avg delay
8 min
completed flights
Cancelled
0.0%
Flights/day
0.99
last 12 months
Duration
6h 8m
scheduled
Distance
2,607 mi

Monthly on-time trend

Monthly on-time percentage for PDX to KOA flights50%75%100%June 2024: 100% on-time (20 flights)100Jun 2024July 2024: 97% on-time (31 flights)97August 2024: 87% on-time (31 flights)87September 2024: 79% on-time (29 flights)79Sep 2024October 2024: 87% on-time (31 flights)87November 2024: 93% on-time (30 flights)93December 2024: 77% on-time (31 flights)77Dec 2024January 2025: 97% on-time (31 flights)97February 2025: 86% on-time (28 flights)86March 2025: 84% on-time (31 flights)84Mar 2025April 2025: 92% on-time (26 flights)92May 2025: 94% on-time (18 flights)94June 2025: 76% on-time (25 flights)76Jun 2025July 2025: 87% on-time (31 flights)87August 2025: 90% on-time (31 flights)90September 2025: 90% on-time (30 flights)90Sep 2025October 2025: 71% on-time (31 flights)71November 2025: 73% on-time (30 flights)73December 2025: 74% on-time (31 flights)74Dec 2025January 2026: 87% on-time (31 flights)87February 2026: 79% on-time (28 flights)79March 2026: 74% on-time (31 flights)74Mar 2026April 2026: 97% on-time (30 flights)97May 2026: 97% on-time (31 flights)97

Best time to fly from PDX to KOA

Aim for departures around 9 a.m. (87% on-time); avoid 10 a.m. departures (81%).

On-time percentage by scheduled departure hour, PDX to KOA7 a.m.: 86% on-time (573 flights)78 a.m.: 85% on-time (46 flights)89 a.m.: 87% on-time (47 flights)910 a.m.: 81% on-time (31 flights)10scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday86%8 min
Tuesday85%11 min
Wednesday88%6 min
Thursday85%5 min
Fridaybest89%6 min
Saturday84%9 min
Sunday84%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 aircraft11%
  • 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 2024-06 and 2026-05. The average arrival delay across completed flights was 8 minutes.
What is the best time of day to fly from PDX to KOA?
Departures around 9 a.m. have the best record (87% 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 8m 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 2024-06 and 2026-05, 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 June 2024 at 100%. If your dates are flexible, that 29-point gap is worth planning around.

Based on 697 flights, 2024-062026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.