Hilo International in September 2023

95.7%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 2023, reporting carriers scheduled 608 domestic departures from Hilo International (ITO). 95.7% left less than 15 minutes late and 95.9% reached their destination on time; 0.3% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.1% arrived on time, so ITO departures were 15.2 points above the national departure figure.

Flights arriving at ITO that month were on time 93.8% of the time (608 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 58%, air carrier 36% and national aviation system 6%.

On time 95.9%
Arrived 15+ minutes late 3.8%
Cancelled 0.3%
Diverted 0.0%

Every scheduled departure from ITO in September 2023, judged by arrival at the destination.

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

Measure	Sep 2023	Year earlier	ITO, 12 months to Jul 2026	All reported flights, Sep 2023
Departed on time	95.7%	—	84.5%	80.5%
Arrived on time	95.9%	—	82.8%	80.1%
Cancelled	0.3%	—	1.0%	1.2%
Average departure delay (late minutes only)	2.4 min	—	7.5 min	14.1 min
Scheduled departures a day	20	—	18	18,978
Scheduled departures	608	—	6,609	569,338

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
HA Hawaiian Airlines	458	75%	95.6%	-0.8 min	0.2%
WN Southwest Airlines	150	25%	96.7%	-4.8 min	0.7%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ITO–HNL	Hilo to Honolulu	552	95.8%	-2.0 min	0.4%
ITO–OGG	Hilo to Kahului	56	96.4%	0.6 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 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Sep 2023	Minutes
Air carrier	36.3%	36.4%	400
Late-arriving aircraft	57.9%	38.3%	637
National Aviation System	5.8%	19.9%	64
Extreme weather	0.0%	5.1%	0
Security	0.0%	0.2%	0

1,101 delay minutes on 23 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 2023?

95.7% of 608 scheduled domestic departures left less than 15 minutes late, and 95.9% reached their destination on time. The national figures that month were 80.5% and 80.1%.

How does that compare with a year earlier?

September 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 September 2023; 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.