PlainFlights

KOA vs DEN - 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
KOA

Kona, HI

Kona, Hawaii

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Airport B
DEN

Denver, CO

Denver, Colorado

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Key Performance Metrics

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

Metric KOA DEN
On-Time Rate (higher is better) 86.3% 78.9%
Avg Delay (lower is better) 61.7 min 70.9 min
Delay Rate (lower is better) 13.7% 21.1%
Cancellation Rate (lower is better) 0.70% 1.02%
Total Flights 177,017 3,293,040
Delayed Flights 24,282 696,109
Cancelled Flights 1,232 33,645
Top Delay Cause Late Aircraft Late Aircraft

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

Delay Cause Breakdown

KOA - Kona, HI

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

DEN - Denver, CO

Late Aircraft 40.9%
Carrier 38.6%
NAS 15.3%
Weather 5.2%
Security 0.1%

Top Routes

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%

Top routes from DEN

Route Flights On-Time
PHX → DEN
Denver
49,558 80.7%
DEN → PHX
Phoenix
49,508 77.8%
LAS → DEN
Denver
44,661 77.7%
DEN → LAS
Las Vegas
44,636 76.1%
DEN → SLC
Salt Lake City
43,089 78.3%
SLC → DEN
Denver
43,051 78.8%

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.