Ellison Onizuka Kona International at Keahole in January 2024

78.0%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 January 2024, reporting carriers scheduled 1,402 domestic departures from Ellison Onizuka Kona International at Keahole (KOA). 78.0% left less than 15 minutes late and 76.1% reached their destination on time; 5.2% were cancelled.

Nationally that month, 74.0% of flights departed on time and 72.9% arrived on time, so KOA departures were 4.0 points above the national departure figure.

Flights arriving at KOA that month were on time 68.6% of the time (1,402 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 55%, air carrier 30% and national aviation system 10%.

On time 76.1%
Arrived 15+ minutes late 18.6%
Cancelled 5.2%
Diverted 0.1%

Every scheduled departure from KOA in January 2024, judged by arrival at the destination.

January 2024 against a year earlier, the airport's year and the nation

Measure	Jan 2024	Year earlier	KOA, 12 months to Jul 2026	All reported flights, Jan 2024
Departed on time	78.0%	—	85.7%	74.0%
Arrived on time	76.1%	—	84.7%	72.9%
Cancelled	5.2%	—	1.1%	3.7%
Average departure delay (late minutes only)	15.0 min	—	8.7 min	18.7 min
Scheduled departures a day	47	—	44	18,242
Scheduled departures	1,402	—	16,052	547,271

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
HA Hawaiian Airlines	667	48%	73.2%	10.4 min	1.6%
WN Southwest Airlines	281	20%	88.6%	-4.7 min	0.7%
AS Alaska Airlines	176	13%	50.0%	15.6 min	30.7%
UA United Airlines	147	10%	83.7%	4.0 min	2.7%
AA American Airlines	69	5%	91.3%	30.6 min	0.0%
DL Delta Air Lines	62	4%	90.3%	-13.0 min	3.2%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
KOA–HNL	Kona to Honolulu	698	72.9%	10.4 min	1.7%
KOA–LAX	Kona to Los Angeles	132	90.9%	-7.5 min	1.5%
KOA–OGG	Kona to Kahului	124	89.5%	1.4 min	0.0%
KOA–SEA	Kona to Seattle	109	66.1%	-2.0 min	19.3%
KOA–SFO	Kona to San Francisco	73	78.1%	5.2 min	5.5%
KOA–PHX	Kona to Phoenix	38	89.5%	51.0 min	0.0%
KOA–DEN	Kona to Denver	31	93.5%	22.2 min	0.0%
KOA–LAS	Kona to Las Vegas	31	96.8%	-20.1 min	0.0%
KOA–LIH	Kona to Lihue	31	90.3%	0.6 min	0.0%
KOA–OAK	Kona to Oakland	31	96.8%	-29.5 min	0.0%
KOA–PDX	Kona to Portland	30	36.7%	46.1 min	33.3%
KOA–ANC	Kona to Anchorage	27	48.1%	42.8 min	18.5%

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), January 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Jan 2024	Minutes
Air carrier	29.6%	32.6%	5,583
Late-arriving aircraft	55.1%	39.0%	10,411
National Aviation System	9.6%	17.9%	1,804
Extreme weather	5.7%	10.3%	1,085
Security	0.0%	0.2%	0

18,883 delay minutes on 261 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 January 2024?

78.0% of 1,402 scheduled domestic departures left less than 15 minutes late, and 76.1% reached their destination on time. The national figures that month were 74.0% and 72.9%.

How does that compare with a year earlier?

January 2023 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 January 2024; 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.