PlainFlights

PDX vs KOA - Airport Comparison

Select two airports to compare on-time performance, delays, cancellations, and top routes using U.S. Department of Transportation Bureau of Transportation Statistics (BTS) data (2020–2025) across all 50 states. See our methodology for how metrics are computed.

Airport A
PDX

Portland, OR

Portland, Oregon

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Airport B
KOA

Kona, HI

Kona, Hawaii

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Key Performance Metrics

BTS on-time performance data, 2020–2025 cumulative.

Metric PDX KOA
On-Time Rate (higher is better) 84.4% 86.3%
Avg Delay (lower is better) 66.7 min 61.7 min
Delay Rate (lower is better) 15.6% 13.7%
Cancellation Rate (lower is better) 0.83% 0.70%
Total Flights 661,488 177,017
Delayed Flights 103,008 24,282
Cancelled Flights 5,511 1,232
Top Delay Cause Carrier Late Aircraft

✓ / ▲ indicates the more favorable value. Data: BTS On-Time Performance, 2020–2025.

Delay Cause Breakdown

PDX - Portland, OR

Carrier 38.4%
Late Aircraft 36.9%
NAS 20.2%
Weather 4.3%
Security 0.2%

KOA - Kona, HI

Late Aircraft 48.3%
Carrier 38.7%
NAS 10.8%
Weather 2.1%
Security 0.3%

Top Routes

Top routes from PDX

Route Flights On-Time
PDX → SEA
Seattle
36,148 87.7%
SEA → PDX
Portland
35,578 83.7%
LAX → PDX
Portland
25,109 86.5%
PDX → LAX
Los Angeles
24,956 87.7%
PDX → DEN
Denver
23,123 84.1%
DEN → PDX
Portland
23,121 77.1%

Top routes from KOA

Route Flights On-Time
KOA → HNL
Honolulu
41,340 86.9%
HNL → KOA
Kona
41,330 87.8%
LAX → KOA
Kona
9,270 85.5%
KOA → LAX
Los Angeles
9,269 86%
OGG → KOA
Kona
8,345 80.5%
KOA → OGG
Kahului
8,327 85.2%

Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025) On-time rates exclude cancelled and diverted flights. PlainFlights is not affiliated with BTS or the DOT

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This tool queries live on-time, delay, and cancellation figures for the two selected airports from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.