Hilo International in December 2024

91.4%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 December 2024, reporting carriers scheduled 557 domestic departures from Hilo International (ITO). 91.4% left less than 15 minutes late and 90.7% reached their destination on time; 0.2% were cancelled.

Nationally that month, 77.8% of flights departed on time and 78.1% arrived on time, so ITO departures were 13.6 points above the national departure figure.

A year earlier, in December 2023, the airport had 607 departures with 91.9% leaving on time: a change of −0.5 points, with flights down 8%.

Flights arriving at ITO that month were on time 89.6% of the time (559 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 59%, air carrier 33% and extreme weather 7%.

On time 90.7%
Arrived 15+ minutes late 9.2%
Cancelled 0.2%
Diverted 0.0%

Every scheduled departure from ITO in December 2024, judged by arrival at the destination.

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

Measure	Dec 2024	Dec 2023	ITO, 12 months to Jul 2026	All reported flights, Dec 2024
Departed on time	91.4%	91.9%	84.5%	77.8%
Arrived on time	90.7%	88.3%	82.8%	78.1%
Cancelled	0.2%	1.5%	1.0%	0.7%
Average departure delay (late minutes only)	4.4 min	4.6 min	7.5 min	16.6 min
Scheduled departures a day	19	20	18	19,686
Scheduled departures	557	607	6,609	590,581

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
HA Hawaiian Airlines	402	72%	88.1%	2.2 min	0.2%
WN Southwest Airlines	155	28%	97.4%	-7.6 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ITO–HNL	Hilo to Honolulu	531	90.4%	-0.6 min	0.2%
ITO–OGG	Hilo to Kahului	26	96.2%	1.0 min	0.0%

By scheduled departure hour

100

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

Share of departures that left less than 15 minutes late, by scheduled hour (local time), December 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Dec 2024	Minutes
Air carrier	32.5%	34.3%	589
Late-arriving aircraft	58.5%	40.2%	1,058
National Aviation System	2.5%	17.8%	46
Extreme weather	6.5%	7.5%	117
Security	0.0%	0.2%	0

1,810 delay minutes on 51 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 ITO on time in December 2024?

91.4% of 557 scheduled domestic departures left less than 15 minutes late, and 90.7% reached their destination on time. The national figures that month were 77.8% and 78.1%.

How does that compare with a year earlier?

In December 2023, 91.9% of 607 departures left on time and 1.5% were cancelled, against 91.4% and 0.2% in December 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for December 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ITO · methodology · corrections.