On-Time Report

Airports › Kona (KOA) › January 2026

Airport month · January 2026

Ellison Onizuka Kona International at Keahole in January 2026

81.7%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 January 2026, reporting carriers scheduled 1,424 domestic departures from Ellison Onizuka Kona International at Keahole (KOA). 81.7% left less than 15 minutes late and 80.9% reached their destination on time; 1.1% were cancelled.

Nationally that month, 75.6% of flights departed on time and 75.3% arrived on time, so KOA departures were 6.1 points above the national departure figure.

A year earlier, in January 2025, the airport had 1,377 departures with 89.2% leaving on time: a change of −7.5 points, with flights up 3%.

Flights arriving at KOA that month were on time 79.9% of the time (1,425 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 44%, air carrier 42% and national aviation system 12%.

Every scheduled departure from KOA in January 2026, judged by arrival at the destination.

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

MeasureJan 2026Jan 2025KOA, 12 months to Jul 2026All reported flights, Jan 2026
Departed on time81.7%89.2%85.7%75.6%
Arrived on time80.9%85.7%84.7%75.3%
Cancelled1.1%1.6%1.1%4.7%
Average departure delay (late minutes only)11.5 min8.2 min8.7 min16.7 min
Scheduled departures a day48464418,133
Scheduled departures1,4241,37716,052544,003

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
AS Alaska Airlines85560%76.6%5.7 min1.3%
WN Southwest Airlines24417%91.0%-3.8 min0.0%
UA United Airlines14210%87.3%-0.2 min0.0%
AA American Airlines987%84.7%14.6 min3.1%
DL Delta Air Lines856%80.0%1.9 min2.4%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
KOA–HNLKona to Honolulu65079.5%5.7 min1.2%
KOA–LAXKona to Los Angeles12881.3%3.5 min2.3%
KOA–OGGKona to Kahului12483.1%3.9 min0.0%
KOA–SEAKona to Seattle12482.3%-4.1 min0.0%
KOA–SFOKona to San Francisco8982.0%-5.8 min0.0%
KOA–SMFKona to Sacramento4497.7%-6.7 min0.0%
KOA–PHXKona to Phoenix3694.4%20.4 min0.0%
KOA–DENKona to Denver3196.8%23.6 min0.0%
KOA–DFWKona to Dallas/Fort Worth3177.4%-6.1 min6.5%
KOA–LASKona to Las Vegas3193.5%-14.0 min0.0%
KOA–LIHKona to Lihue3187.1%5.4 min0.0%
KOA–PDXKona to Portland3183.9%-5.6 min0.0%

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), January 2026.

Delay causes

BTS cause categoryShare of delay minutesNational, Jan 2026Minutes
Air carrier42.3%37.3%6,199
Late-arriving aircraft44.2%35.0%6,489
National Aviation System11.6%18.0%1,698
Extreme weather1.9%9.6%281
Security0.0%0.1%0
14,667 delay minutes on 255 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← December 2025February 2026 →

Questions and answers

How many flights left KOA on time in January 2026?

81.7% of 1,424 scheduled domestic departures left less than 15 minutes late, and 80.9% reached their destination on time. The national figures that month were 75.6% and 75.3%.

How does that compare with a year earlier?

In January 2025, 89.2% of 1,377 departures left on time and 1.6% were cancelled, against 81.7% and 1.1% in January 2026.

Provenance

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