Ellison Onizuka Kona International at Keahole in October 2023

85.6%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report.

In October 2023, reporting carriers scheduled 1,456 domestic departures from Ellison Onizuka Kona International at Keahole (KOA). 85.6% left less than 15 minutes late and 83.1% reached their destination on time; 0.7% were cancelled.

Nationally that month, 83.8% of flights departed on time and 84.0% arrived on time, so KOA departures were 1.8 points above the national departure figure.

Flights arriving at KOA that month were on time 82.4% of the time (1,456 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 62%, air carrier 29% and national aviation system 8%.

On time 83.1%
Arrived 15+ minutes late 16.1%
Cancelled 0.7%
Diverted 0.1%

Every scheduled departure from KOA in October 2023, judged by arrival at the destination.

October 2023 against a year earlier, the airport's year and the nation

Measure	Oct 2023	Year earlier	KOA, 12 months to Jul 2026	All reported flights, Oct 2023
Departed on time	85.6%	—	85.7%	83.8%
Arrived on time	83.1%	—	84.7%	84.0%
Cancelled	0.7%	—	1.1%	0.4%
Average departure delay (late minutes only)	9.0 min	—	8.7 min	11.0 min
Scheduled departures a day	49	—	44	19,966
Scheduled departures	1,456	—	16,052	598,968

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
HA Hawaiian Airlines	708	49%	78.5%	6.3 min	1.0%
WN Southwest Airlines	310	21%	88.7%	-0.4 min	0.3%
AS Alaska Airlines	186	13%	87.6%	-2.8 min	0.0%
UA United Airlines	128	9%	82.8%	-0.8 min	0.0%
AA American Airlines	62	4%	91.9%	28.6 min	1.6%
DL Delta Air Lines	62	4%	85.5%	-7.5 min	1.6%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
KOA–HNL	Kona to Honolulu	739	80.6%	4.5 min	0.9%
KOA–LAX	Kona to Los Angeles	128	82.8%	-3.9 min	1.6%
KOA–OGG	Kona to Kahului	124	79.0%	7.3 min	0.0%
KOA–SEA	Kona to Seattle	124	87.9%	-4.8 min	0.0%
KOA–SFO	Kona to San Francisco	62	75.8%	7.6 min	0.0%
KOA–SJC	Kona to San Jose	62	85.5%	-0.3 min	0.0%
KOA–DEN	Kona to Denver	31	100.0%	-15.2 min	0.0%
KOA–LAS	Kona to Las Vegas	31	96.8%	-7.8 min	0.0%
KOA–LIH	Kona to Lihue	31	96.8%	3.7 min	0.0%
KOA–OAK	Kona to Oakland	31	96.8%	-8.4 min	0.0%
KOA–PDX	Kona to Portland	31	83.9%	-1.9 min	0.0%
KOA–PHX	Kona to Phoenix	31	87.1%	78.2 min	3.2%

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time), October 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2023	Minutes
Air carrier	28.5%	41.3%	3,352
Late-arriving aircraft	61.5%	40.5%	7,246
National Aviation System	8.3%	14.4%	977
Extreme weather	0.7%	3.7%	87
Security	1.0%	0.2%	117

11,779 delay minutes on 235 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left KOA on time in October 2023?

85.6% of 1,456 scheduled domestic departures left less than 15 minutes late, and 83.1% reached their destination on time. The national figures that month were 83.8% and 84.0%.

How does that compare with a year earlier?

October 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for KOA · methodology · corrections.