Hilo International in May 2024

81.8%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 May 2024, reporting carriers scheduled 577 domestic departures from Hilo International (ITO). 81.8% left less than 15 minutes late and 78.3% reached their destination on time; 1.4% were cancelled.

Nationally that month, 73.4% of flights departed on time and 72.3% arrived on time, so ITO departures were 8.4 points above the national departure figure.

Flights arriving at ITO that month were on time 80.8% of the time (577 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 60%, air carrier 27% and national aviation system 10%.

On time 78.3%
Arrived 15+ minutes late 20.3%
Cancelled 1.4%
Diverted 0.0%

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

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

Measure	May 2024	Year earlier	ITO, 12 months to Jul 2026	All reported flights, May 2024
Departed on time	81.8%	—	84.5%	73.4%
Arrived on time	78.3%	—	82.8%	72.3%
Cancelled	1.4%	—	1.0%	1.4%
Average departure delay (late minutes only)	9.9 min	—	7.5 min	20.8 min
Scheduled departures a day	19	—	18	20,325
Scheduled departures	577	—	6,609	609,743

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
HA Hawaiian Airlines	422	73%	72.0%	12.0 min	1.9%
WN Southwest Airlines	155	27%	95.5%	-2.8 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ITO–HNL	Hilo to Honolulu	550	78.0%	7.6 min	1.3%
ITO–OGG	Hilo to Kahului	27	85.2%	16.2 min	3.7%

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), May 2024.

Delay causes

BTS cause category	Share of delay minutes	National, May 2024	Minutes
Air carrier	27.4%	29.8%	1,523
Late-arriving aircraft	59.9%	43.0%	3,329
National Aviation System	10.0%	20.1%	556
Extreme weather	2.8%	7.0%	153
Security	0.0%	0.1%	0

5,561 delay minutes on 117 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 May 2024?

81.8% of 577 scheduled domestic departures left less than 15 minutes late, and 78.3% reached their destination on time. The national figures that month were 73.4% and 72.3%.

How does that compare with a year earlier?

May 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 May 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.