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Route · PDX → KOA · 2020–2025 BTS data

Portland to Kona

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), PDX to KOA (Portland to Kona) ranks #4397 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

85.5%
On-time
+6.5 pts
vs US avg
55 min
Delay when late
1,137
Flights
#4397 of 4927
Corpus placement

Cancelled

0.9%

Best Month

N/A

Worst Month

N/A

Distance

2,607 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 7 0 1 AS
Nov 2025 30 8 0 0 AS
Oct 2025 31 8 0 1 AS
Sep 2025 30 3 0 0 AS
Aug 2025 31 3 0 0 AS
Jul 2025 31 4 0 0 AS
Mar 2025 31 5 0 0 AS
Jan 2025 31 1 0 0 AS
Dec 2024 31 7 0 0 AS
Nov 2024 30 2 0 0 AS
Oct 2024 31 4 0 0 AS
Aug 2024 31 4 0 0 AS
Jul 2024 31 1 0 0 AS
Mar 2024 31 3 0 0 AS
Jan 2024 31 10 7 4 AS
Dec 2023 31 9 0 1 AS
Nov 2023 30 2 0 0 AS
Oct 2023 31 2 0 0 AS
Sep 2023 30 1 0 0 AS
Aug 2023 31 5 0 0 AS
Jul 2023 31 7 0 0 AS
Jun 2023 30 4 0 0 AS
May 2023 31 1 0 0 AS
Apr 2023 30 6 0 0 AS

PDX–KOA seasonal on-time pattern

Best: September (93.3%) · weakest: June (76.7%)

75%80%85%90%95% JanMarAprMayJunJulAugSepOctNovDec 80.6%

Strongest calendar month

September

93.3% on-time · ~30 flights/mo

Busiest calendar month

January

~31 flights/mo avg

Weakest calendar month

June

76.7% on-time · ~30 flights/mo

Cancellation Rate

0.9%

7 of 737 flights

Diversion Rate

0.9%

7 of 737 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

PDX - Portland

Full on-time, delay-cause, and seasonal performance for Portland, OR.

PDX on-time profile

KOA - Kona

Full on-time, delay-cause, and seasonal performance for Kona, HI.

KOA on-time profile

Compare the two airports

See PDX and KOA side by side on delays, cancellations, and reliability.

Compare PDX vs KOA

Origin-hub reliability standing

Among PDX's stronger departures

PDX → KOA posts a 85.5% on-time rate, landing in the ≥85% band with 26 of 44 BTS-tracked routes leaving Portland. The same hub also shows 17 mid-band and 1 challenged departures · fleet-wide on-time rank #1065 of 4927 (highest on-time = #1).

What the Data Says About PDX to KOA

Portland to Kona (PDX to KOA) is one of the more dependable pairings in the BTS On-Time Performance dataset: a 85.5% on-time rate across 1,137 flights, with delays that do happen averaging 54.8 minutes. The corridor runs roughly 2,607 miles and is served by 1 carrier. Over the most recent 24 months, 7 of 737 flights were cancelled (0.9%) and 7 diverted (0.9%).

Monthly performance data for this route did not show a clear best/worst split in the sample window; review the monthly table above for period-by-period detail.

On the multi-year calendar, PDX–KOA peaks in September at 93.3% on-time while January carries the heaviest traffic (~31 flights per month) ; the softest month is June at 76.7%, a 16.6-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does PDX to KOA rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, PDX to KOA ranks #4397 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from PDX to KOA? ▼
Flights from Portland to Kona have a 85.5% on-time rate based on 1,137 flights. The average delay is 54.8 minutes.
What is the cancellation rate for PDX to KOA? ▼
Over the last 24 months, 0.9% of flights on this route were cancelled (7 of 737 flights) and 0.9% were diverted.
How far is the flight from PDX to KOA? ▼
The flight distance from Portland (PDX) to Kona (KOA) is approximately 2,607 miles. This route is served by 1 carrier.

Airports on this route

PDX Airport

Portland
KOA Airport

Kona
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using PDX–KOA data

PDX–KOA runs 6.5 pts above the national 79% average; the remaining risk is month-to-month swing and carrier mix, not a weak headline rate.

  • Compare PDX and KOA airport profiles: delay causes and top routes differ even on the same corridor. PDX airport
  • If your dates flex, September (93.3% on-time) beats June (76.7%) on this corridor. Seasonal chart
  • 4 other routes post a similar 85.5% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.