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Route · KOA → SAN · 2020–2025 BTS data

Kona to San Diego

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), KOA to SAN (Kona to San Diego) ranks #4251 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

79.8%
On-time
+0.8 pts
vs US avg
53 min
Delay when late
1,359
Flights
#4251 of 4927
Corpus placement

Cancelled

0.5%

Best Month

N/A

Worst Month

N/A

Distance

2,556 mi

Carriers

2

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 31 11 0 1 AS
Oct 2025 31 15 1 1 AS
Sep 2025 30 2 0 1 AS
Aug 2025 31 7 0 0 AS
Jul 2025 31 8 0 0 AS
Jun 2025 30 8 0 0 AS
May 2025 31 6 1 0 AS
Apr 2025 30 7 0 0 AS
Dec 2024 31 6 1 0 AS
Oct 2024 31 6 0 1 AS
Sep 2024 30 7 0 0 AS
Aug 2024 31 4 0 0 AS
Jul 2024 31 7 0 0 AS
Jun 2024 30 2 0 0 AS
May 2024 31 1 1 0 AS
Apr 2024 30 4 0 0 AS
Dec 2023 31 5 0 0 AS
Oct 2023 31 4 0 0 AS
Sep 2023 30 3 0 0 AS
Aug 2023 31 4 0 0 AS
Jul 2023 31 9 0 0 AS
Jun 2023 30 2 0 0 AS
May 2023 31 2 0 0 AS
Apr 2023 30 9 0 0 AS

KOA–SAN seasonal on-time pattern

Best: May (87.5%) · weakest: March (66.0%)

60%65%70%75%80%85%90% MarAprMayJunJulAugSepOctNovDec 69.6%

Strongest calendar month

May

87.5% on-time · ~34 flights/mo

Busiest calendar month

March

~53 flights/mo avg

Weakest calendar month

March

66.0% on-time · ~53 flights/mo

Cancellation Rate

0.5%

4 of 735 flights

Diversion Rate

0.5%

4 of 735 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

SAN - San Diego

Full on-time, delay-cause, and seasonal performance for San Diego, CA.

SAN on-time profile

Compare the two airports

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

Compare KOA vs SAN

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: San Diego · fleet on-time rank #3227 of 4927.

What the Data Says About KOA to SAN

1,359 tracked flights put the KOA to SAN pairing (Kona to San Diego) at a 79.8% on-time rate, squarely in line with the wider network. Delays that do occur run 53.4 minutes on average. Across the 2,556-mile route and its 2 carriers, the trailing 24 months show 0.5% cancelled and 0.5% diverted (735 flights sampled).

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–SAN peaks in May at 87.5% on-time while March carries the heaviest traffic (~53 flights per month) ; the softest month is March at 66.0%, a 21.5-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does KOA to SAN rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, KOA to SAN ranks #4251 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 SAN? ▼
Flights from Kona to San Diego have a 79.8% on-time rate based on 1,359 flights. The average delay is 53.4 minutes.
What is the cancellation rate for KOA to SAN? ▼
Over the last 24 months, 0.5% of flights on this route were cancelled (4 of 735 flights) and 0.5% were diverted.
How far is the flight from KOA to SAN? ▼
The flight distance from Kona (KOA) to San Diego (SAN) is approximately 2,556 miles. This route is served by 2 carriers.

Airports on this route

KOA Airport

Kona
SAN Airport

San Diego
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–SAN data

KOA–SAN is mid-pack at 79.8% on-time; month and carrier mix move more than the corridor headline.

  • Compare KOA and SAN airport profiles: delay causes and top routes differ even on the same corridor. KOA airport
  • If your dates flex, May (87.5% on-time) beats March (66.0%) on this corridor. Seasonal chart
  • 4 other routes post a similar 79.8% 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.