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Route · KOA → PDX · 2020–2025 BTS data

Kona to Portland

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), KOA to PDX (Kona to Portland) ranks #4398 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

76.8%
On-time
-2.2 pts
vs US avg
64 min
Delay when late
1,136
Flights
#4398 of 4927
Corpus placement

Cancelled

1.4%

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 6 0 0 AS
Nov 2025 30 6 0 0 AS
Oct 2025 31 10 0 0 AS
Sep 2025 30 7 0 0 AS
Aug 2025 31 12 0 0 AS
Jul 2025 31 19 0 0 AS
Mar 2025 31 1 0 0 AS
Jan 2025 31 3 0 0 AS
Dec 2024 31 4 0 0 AS
Nov 2024 30 8 0 0 AS
Oct 2024 31 9 0 0 AS
Aug 2024 31 4 0 0 AS
Jul 2024 31 6 0 0 AS
Mar 2024 31 6 0 0 AS
Jan 2024 30 9 10 0 AS
Dec 2023 31 11 0 0 AS
Nov 2023 30 6 0 0 AS
Oct 2023 31 5 0 0 AS
Sep 2023 30 8 0 0 AS
Aug 2023 31 5 0 0 AS
Jul 2023 31 4 0 0 AS
Jun 2023 30 7 0 0 AS
May 2023 31 5 0 0 AS
Apr 2023 30 7 0 0 AS

KOA–PDX seasonal on-time pattern

Best: January (80.4%) · weakest: June (73.3%)

72%74%76%78%80%82% JanMarAprMayJunJulAugSepOctNovDec 74.2%

Strongest calendar month

January

80.4% on-time · ~31 flights/mo

Busiest calendar month

January

~31 flights/mo avg

Weakest calendar month

June

73.3% on-time · ~30 flights/mo

Cancellation Rate

1.4%

10 of 736 flights

Diversion Rate

0.0%

0 of 736 flights

Explore origin & destination

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

KOA - Kona

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

KOA on-time profile

PDX - Portland

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

PDX on-time profile

Compare the two airports

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

Compare KOA vs PDX

Origin-hub reliability standing

Mid-pack among KOA departures

From KOA, this corridor sits with 4 other 75–85% on-time routes out of 13 tracked departures, not the hub's reliability leaders (9 at ≥85%) and not the softest ( 0 below 75%). Destination: Portland · fleet on-time rank #4141 of 4927.

What the Data Says About KOA to PDX

The Kona to Portland corridor (KOA to PDX) posts a 76.8% on-time rate on the lower edge of the average band, based on 1,136 tracked flights. Late flights run 64.0 minutes behind on average. 1 carrier cover the 2,607-mile route; over the last 24 months, 10 of 736 flights were cancelled (1.4%) and 0.0% diverted.

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, KOA–PDX peaks in January at 80.4% on-time ; the softest month is June at 73.3%, a 7.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does KOA to PDX rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, KOA to PDX ranks #4398 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 KOA to PDX? ▼
Flights from Kona to Portland have a 76.8% on-time rate based on 1,136 flights. The average delay is 64.0 minutes.
What is the cancellation rate for KOA to PDX? ▼
Over the last 24 months, 1.4% of flights on this route were cancelled (10 of 736 flights) and 0.0% were diverted.
How far is the flight from KOA to PDX? ▼
The flight distance from Kona (KOA) to Portland (PDX) is approximately 2,607 miles. This route is served by 1 carrier.

Airports on this route

KOA Airport

Kona
PDX Airport

Portland
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 KOA–PDX data

KOA–PDX is mid-pack at 76.8% on-time; month and carrier mix move more than the corridor headline.

  • Compare KOA and PDX airport profiles: delay causes and top routes differ even on the same corridor. KOA airport
  • If your dates flex, January (80.4% on-time) beats June (73.3%) on this corridor. Seasonal chart
  • 4 other routes post a similar 76.8% 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.