Hilo International in June 2026

86.7%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 June 2026, reporting carriers scheduled 549 domestic departures from Hilo International (ITO). 86.7% left less than 15 minutes late and 84.0% reached their destination on time; 1.6% were cancelled.

Nationally that month, 72.2% of flights departed on time and 72.8% arrived on time, so ITO departures were 14.5 points above the national departure figure.

A year earlier, in June 2025, the airport had 547 departures with 90.1% leaving on time: a change of −3.4 points, with flights up 0%.

Flights arriving at ITO that month were on time 83.6% of the time (549 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 56%, air carrier 25% and national aviation system 19%.

On time 84.0%
Arrived 15+ minutes late 14.4%
Cancelled 1.6%
Diverted 0.0%

Every scheduled departure from ITO in June 2026, judged by arrival at the destination.

June 2026 against a year earlier, the airport's year and the nation

Measure	Jun 2026	Jun 2025	ITO, 12 months to Jul 2026	All reported flights, Jun 2026
Departed on time	86.7%	90.1%	84.5%	72.2%
Arrived on time	84.0%	89.2%	82.8%	72.8%
Cancelled	1.6%	0.0%	1.0%	1.6%
Average departure delay (late minutes only)	5.9 min	5.4 min	7.5 min	20.6 min
Scheduled departures a day	18	18	18	20,253
Scheduled departures	549	547	6,609	607,577

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	399	73%	80.2%	6.5 min	2.0%
WN Southwest Airlines	150	27%	94.0%	-6.3 min	0.7%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ITO–HNL	Hilo to Honolulu	523	83.2%	3.1 min	1.7%
ITO–OGG	Hilo to Kahului	26	100.0%	0.7 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), June 2026.

Delay causes

BTS cause category	Share of delay minutes	National, Jun 2026	Minutes
Air carrier	25.1%	30.8%	647
Late-arriving aircraft	56.4%	42.1%	1,457
National Aviation System	18.5%	20.3%	478
Extreme weather	0.0%	6.7%	0
Security	0.0%	0.1%	0

2,582 delay minutes on 79 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 June 2026?

86.7% of 549 scheduled domestic departures left less than 15 minutes late, and 84.0% reached their destination on time. The national figures that month were 72.2% and 72.8%.

How does that compare with a year earlier?

In June 2025, 90.1% of 547 departures left on time and 0.0% were cancelled, against 86.7% and 1.6% in June 2026.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for June 2026; 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.