Daniel K Inouye International in May 2026

82.9%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 2026, reporting carriers scheduled 4,953 domestic departures from Daniel K Inouye International (HNL). 82.9% left less than 15 minutes late and 81.7% reached their destination on time; 1.1% were cancelled.

Nationally that month, 77.1% of flights departed on time and 77.6% arrived on time, so HNL departures were 5.8 points above the national departure figure.

A year earlier, in May 2025, the airport had 4,931 departures with 89.8% leaving on time: a change of −6.9 points, with flights up 0%.

Flights arriving at HNL that month were on time 80.4% of the time (4,952 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 48%, late-arriving aircraft 32% and national aviation system 17%.

On time 81.7%
Arrived 15+ minutes late 17.1%
Cancelled 1.1%
Diverted 0.1%

Every scheduled departure from HNL in May 2026, judged by arrival at the destination.

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

Measure	May 2026	May 2025	HNL, 12 months to Jul 2026	All reported flights, May 2026
Departed on time	82.9%	89.8%	83.5%	77.1%
Arrived on time	81.7%	88.3%	82.0%	77.6%
Cancelled	1.1%	0.4%	0.9%	0.9%
Average departure delay (late minutes only)	9.5 min	6.4 min	10.4 min	16.0 min
Scheduled departures a day	165	164	159	20,391
Scheduled departures	4,953	4,931	58,088	611,735

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
AS Alaska Airlines	2,911	59%	76.8%	8.9 min	1.7%
WN Southwest Airlines	1,069	22%	91.9%	-3.6 min	0.0%
UA United Airlines	434	9%	82.0%	3.4 min	0.9%
DL Delta Air Lines	310	6%	90.6%	-8.7 min	0.3%
AA American Airlines	229	5%	84.7%	14.5 min	0.4%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
HNL–OGG	Honolulu to Kahului	818	83.4%	4.7 min	0.7%
HNL–LIH	Honolulu to Lihue	660	79.4%	6.6 min	3.0%
HNL–KOA	Honolulu to Kona	634	83.6%	5.6 min	1.9%
HNL–ITO	Honolulu to Hilo	542	80.6%	7.5 min	0.7%
HNL–LAX	Honolulu to Los Angeles	506	79.1%	8.4 min	1.0%
HNL–SEA	Honolulu to Seattle	248	77.0%	4.2 min	0.4%
HNL–SFO	Honolulu to San Francisco	216	78.2%	8.6 min	0.5%
HNL–LAS	Honolulu to Las Vegas	206	81.1%	1.1 min	0.5%
HNL–SAN	Honolulu to San Diego	152	83.6%	-0.2 min	1.3%
HNL–PHX	Honolulu to Phoenix	124	87.9%	3.3 min	0.8%
HNL–PDX	Honolulu to Portland	80	78.8%	3.1 min	1.3%
HNL–DEN	Honolulu to Denver	62	88.7%	-1.5 min	0.0%

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 2026.

Delay causes

BTS cause category	Share of delay minutes	National, May 2026	Minutes
Air carrier	47.7%	33.0%	18,948
Late-arriving aircraft	31.8%	40.4%	12,626
National Aviation System	16.7%	20.5%	6,617
Extreme weather	3.5%	6.0%	1,404
Security	0.3%	0.1%	100

39,695 delay minutes on 846 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 HNL on time in May 2026?

82.9% of 4,953 scheduled domestic departures left less than 15 minutes late, and 81.7% reached their destination on time. The national figures that month were 77.1% and 77.6%.

How does that compare with a year earlier?

In May 2025, 89.8% of 4,931 departures left on time and 0.4% were cancelled, against 82.9% and 1.1% in May 2026.

Provenance

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