Hilo International in September 2024

93.8%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 September 2024, reporting carriers scheduled 544 domestic departures from Hilo International (ITO). 93.8% left less than 15 minutes late and 93.0% reached their destination on time; 0.9% were cancelled.

Nationally that month, 84.4% of flights departed on time and 83.9% arrived on time, so ITO departures were 9.4 points above the national departure figure.

A year earlier, in September 2023, the airport had 608 departures with 95.7% leaving on time: a change of −1.9 points, with flights down 11%.

Flights arriving at ITO that month were on time 91.6% of the time (546 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 51%, air carrier 44% and national aviation system 5%.

On time 93.0%
Arrived 15+ minutes late 6.1%
Cancelled 0.9%
Diverted 0.0%

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

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

Measure	Sep 2024	Sep 2023	ITO, 12 months to Jul 2026	All reported flights, Sep 2024
Departed on time	93.8%	95.7%	84.5%	84.4%
Arrived on time	93.0%	95.9%	82.8%	83.9%
Cancelled	0.9%	0.3%	1.0%	0.6%
Average departure delay (late minutes only)	2.4 min	2.4 min	7.5 min	10.6 min
Scheduled departures a day	18	20	18	19,421
Scheduled departures	544	608	6,609	582,622

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
HA Hawaiian Airlines	394	72%	90.6%	-0.6 min	1.0%
WN Southwest Airlines	150	28%	99.3%	-9.8 min	0.7%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ITO–HNL	Hilo to Honolulu	519	93.1%	-3.2 min	1.0%
ITO–OGG	Hilo to Kahului	25	92.0%	-1.3 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), September 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2024	Minutes
Air carrier	43.9%	38.6%	394
Late-arriving aircraft	51.2%	38.4%	460
National Aviation System	4.9%	18.2%	44
Extreme weather	0.0%	4.8%	0
Security	0.0%	0.1%	0

898 delay minutes on 33 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 September 2024?

93.8% of 544 scheduled domestic departures left less than 15 minutes late, and 93.0% reached their destination on time. The national figures that month were 84.4% and 83.9%.

How does that compare with a year earlier?

In September 2023, 95.7% of 608 departures left on time and 0.3% were cancelled, against 93.8% and 0.9% in September 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for September 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.