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Airport · KOA · Kona, Hawaii

Kona, HI

Kona, HI posts top-quartile on-time performance among the 382 tracked U.S. airports, as a high-volume U.S. airport. According to the U.S. DOT Bureau of Transportation Statistics, drawn from 177,017 flights (2020–2025); its biggest delay driver is late aircraft.

Data updated 2026-06-13

86.3%
On-time
Top 21%
on-time, US airports
62 min
Delay when late
0.70%
Cancelled

Key Performance Metrics

Total Flights

177,017

Best Month

Sep 96.2%

Worst Month

Dec 91.5%

Delayed

24,282

Cancelled

1,232

KOA on-time rate vs. the national average

Ahead of the U.S. average across all 382 tracked airports.

0%100%U.S. average79%86.3%

Where KOA sits among all 382 tracked airports

KOA's 86.3% on-time rate falls in the 85-90% band, the 116-airport band it shares.

National on-time-rate distribution

airports

What this shows KOA is marked in the 85-90% band.

Delay Cause Breakdown

Top delay cause: Late Aircraft. Total delay minutes: 686,653.

Late Aircraft 48.3% (331,393 min)
Carrier 38.7% (265,411 min)
NAS (National Aviation System) 10.8% (73,952 min)
Weather 2.1% (14,125 min)
Security 0.3% (1,772 min)

KOA - seasonal on-time pattern

Best: September (96.2%) · worst: December (91.5%)

90%92%94%96%98% JanFebMarAprMayJunJulAugSepOctNovDec 91.5%

Seasonal Performance Patterns

Monthly averages across all years of data. Best month: September (96.2% on-time). Most delays: December (91.5% on-time).

Month Avg Flights Avg Delayed Avg Cancelled On-Time %
December 2,646 488 21 91.5%
November 2,385 282 9 94.5%
October 2,430 352 26 93.3%
September 2,302 206 5 96.2%
August 2,564 318 15 94.5%
July 2,642 388 12 93.5%
June 2,457 374 9 93.1%
May 2,299 297 10 94.1%
April 2,221 323 31 93%
March 2,665 383 34 93.3%
February 2,328 277 9 94.6%
January 2,565 361 26 93.4%

Year-Over-Year Performance

Annual flight volume and on-time trends at KOA.

KOA - on-time rate by year

2020–2025, year-over-year trend.

90%92%94%96%98% 202020212022202320242025 97.2% 94.4% ▼ -2.9%
Year Flights Delayed Cancelled On-Time %
2025 31,591 1,773 153 94.4%
2024 32,655 1,816 184 94.4%
2023 34,610 2,694 140 92.2%
2022 32,544 2,990 157 90.8%
2021 29,156 1,402 124 95.2%
2020 16,461 460 474 97.2%

Cancellation & Diversion Analysis

Flight disruption statistics for Kona, HI.

Cancellation Rate

0.70%

1,232 of 177,017 flights

Diversion Rate

0.07%

118 of 177,017 flights

Delay Rate

13.7%

24,282 of 177,017 flights

Monthly Performance

Recent 24 months of flight data.

Period Flights Dep Delayed Arr Delayed Cancelled Diverted
Dec 2025 2,778 247 300 13 2
Nov 2025 2,493 145 157 26 0
Oct 2025 2,534 157 194 19 3
Sep 2025 2,468 85 115 6 2
Aug 2025 2,686 124 169 4 3
Jul 2025 2,764 196 285 14 1
Jun 2025 2,660 187 200 6 3
May 2025 2,658 95 117 4 2
Apr 2025 2,547 131 137 9 2
Mar 2025 2,794 167 170 26 0
Feb 2025 2,454 110 150 4 1
Jan 2025 2,755 129 119 22 3
Dec 2024 2,782 158 186 7 4
Nov 2024 2,570 101 115 6 2
Oct 2024 2,732 133 157 9 2
Sep 2024 2,665 98 135 6 0
Aug 2024 2,816 155 199 10 1
Jul 2024 2,927 173 227 17 3
Jun 2024 2,799 138 190 7 0
May 2024 2,645 184 234 15 3
Apr 2024 2,583 142 165 13 2
Mar 2024 2,762 107 148 4 0
Feb 2024 2,570 191 288 17 4
Jan 2024 2,804 236 346 73 1

Top Routes from KOA

Busiest routes to and from Kona, HI.

Route Flights On-Time Distance
KOA (Kona) → HNL (Honolulu) 41,340 86.9% 163 mi
HNL (Honolulu) → KOA (Kona) 41,330 87.8% 163 mi
LAX (Los Angeles) → KOA (Kona) 9,270 85.5% 2,504 mi
KOA (Kona) → LAX (Los Angeles) 9,269 86% 2,504 mi
OGG (Kahului) → KOA (Kona) 8,345 80.5% 84 mi
KOA (Kona) → OGG (Kahului) 8,327 85.2% 84 mi
KOA (Kona) → SEA (Seattle) 7,238 83.6% 2,688 mi
SEA (Seattle) → KOA (Kona) 7,238 79.6% 2,688 mi
KOA (Kona) → SFO (San Francisco) 5,090 89.1% 2,367 mi
SFO (San Francisco) → KOA (Kona) 5,088 85% 2,367 mi
KOA (Kona) → SJC (San Jose) 2,126 82.9% 2,384 mi
SJC (San Jose) → KOA (Kona) 2,125 87% 2,384 mi
KOA (Kona) → PHX (Phoenix) 2,096 91.5% 2,860 mi
PHX (Phoenix) → KOA (Kona) 2,096 83.8% 2,860 mi
DEN (Denver) → KOA (Kona) 1,654 80.7% 3,329 mi
KOA (Kona) → DEN (Denver) 1,654 92.3% 3,329 mi
KOA (Kona) → LIH (Lihue) 1,596 92.7% 263 mi
OAK (Oakland) → KOA (Kona) 1,565 83.8% 2,378 mi
KOA (Kona) → OAK (Oakland) 1,564 90.6% 2,378 mi
LIH (Lihue) → KOA (Kona) 1,536 80.3% 263 mi

What the Data Says About KOA

Kona, HI in Kona, Hawaii handled 177,017 flights in the Bureau of Transportation Statistics dataset between 2020 and 2025, posting a 86.3% on-time departure rate. Of those flights, 24,282 experienced delays, 1,232 were cancelled, and 118 were diverted. The cancellation rate works out to 0.70%, the diversion rate to 0.07%, and the average delay when departures run late is 61.7 minutes. These figures are the baseline for comparing KOA against other airports in the same state and nationally.

Breaking down what drives delays at KOA, Late Aircraft leads the pack. Late Aircraft accounts for 48.3% of total delay minutes, followed by Carrier at 38.7% and NAS (National Aviation System) at 10.8%. Weather contributes 2.1% of delay minutes at this airport, while security holds the smallest share at 0.3%. Travelers often overestimate the weather share; the BTS categorization shows late-arriving aircraft and carrier operations as the larger contributors.

Seasonally, September runs the cleanest at KOA with a 96.2% on-time rate, while December is the roughest at 91.5% - a 5-point swing between best and worst month. Volume peaks in March, when average flights hit 2,665. The busiest route connecting KOA is to HNL (Honolulu), with 41,340 flights at a 86.9% on-time rate. Combine these numbers - 86.3% on-time, 61.7-minute average delay, 0.70% cancellation rate, and you have a concrete picture of departure reliability at Kona, HI.

Frequently Asked Questions

What is the on-time performance rate at Kona, HI (KOA)?
Kona, HI has an overall on-time departure rate of 86.3%. Out of 177,017 total flights tracked, 24,282 experienced delays and 1,232 were cancelled.
What is the most common cause of delays at KOA?
The top delay cause at Kona, HI is Late Aircraft. Late Aircraft accounts for 48.3% of all delay minutes.
What is the average delay time at KOA?
The average delay at Kona, HI is 61.7 minutes. This includes delays from carrier issues, weather, National Aviation System constraints, security, and late-arriving aircraft.
What is the best month to fly from KOA?
Based on historical data, September has the best on-time performance at KOA with 96.2% of flights departing on time.
What is the worst month for delays at KOA?
December tends to have the most delays at KOA, with an on-time rate of only 91.5%.
How many routes operate from KOA?
Kona, HI serves at least 20 routes. The busiest route is KOA to HNL (Kona - Honolulu) with 41,340 flights.
What is the cancellation rate at KOA?
Kona, HI has a cancellation rate of 0.70%, based on 1,232 cancelled flights out of 177,017 total flights tracked.

Explore PlainFlights

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data (2020–2025). Statistics reflect cumulative performance across all available reporting periods. On-time rates exclude cancelled and diverted flights.

Using KOA's data

An airport-level on-time rate is a starting point, not a guarantee for your specific flight.

  • Check the busiest route from KOA before you book a connection. See top routes
  • Travel in September rather than December if your dates are flexible. Seasonal patterns
  • Scores vary by airline and route within the same airport; check the specific carrier you're flying. Browse airlines

On-time rate reflects the BTS historical average across all reporting carriers at this airport, not any single flight or airline.

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 Editorial

Source: U.S. Bureau of Transportation Statistics (BTS) Airline on-time performance and operational reliability · 2025

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. Airport figures are computed directly from BTS On-Time Performance data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.