ON TIMEBOARD

LAX → KOA on time

Los Angeles LAX (Los Angeles, CA) to Ellison Onizuka Kona at Keāhole (Kona, HI). Every scheduled flight, September 2025 to August 2026.

On time
81%
arrived < 15 min late
Cancelled
0.9%
1,601 flights
Typical arrival
−6 min
median vs schedule
When late
+52 min
average delay
Flights / day
4
5 airlines

81% of flights from Los Angeles to Kona arrived on time over the past 12 months. That is about the typical U.S. route. The 4 p.m. departures ran on time 86% of the time; the 2 p.m. ones 74%. Most reliable airline: United Airlines (88%). 5% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for LAX → KOA: when a flight was late, it was under 45 minutes late 64% of the time. About 1 in 25 flights landed an hour or more late, and 1 in 200 three hours or more; 0.9% were cancelled outright.

Share of all 1,601 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
United Airlines48988%0.8%−9 min1.8%+44 minUnited Airlines
Alaska Airlines37477%1.1%0 min2.7%+37 minAlaska Airlines
Delta Air Lines36580%1.4%−8 min5.5%+58 minDelta Air Lines
American Airlines35074%0.6%−6 min6.9%+65 minAmerican Airlines
Southwest Airlines23—————Southwest Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at LAX). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: too few flights (32 flights)7a8 a.m. departures: 82% on time (214 flights)828a9 a.m. departures: 82% on time (550 flights)829a10 a.m. departures: too few flights (39 flights)10a11 a.m. departures: 77% on time (113 flights)7711anoon departures: too few flights (5 flights)12p1 p.m. departures: too few flights (89 flights)1p2 p.m. departures: 74% on time (152 flights)742p3 p.m. departures: 80% on time (120 flights)803p4 p.m. departures: 86% on time (171 flights)864p5 p.m. departures: 83% on time (116 flights)835p
LAX → KOA, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

DepartsUnited AirlinesAlaska AirlinesDelta Air LinesAmerican Airlines
8 a.m.—79%——
9 a.m.90%74%——
11 a.m.———77%
2 p.m.——72%—
4 p.m.——86%—
5 p.m.83%———

Last flight of the day

On LAX → KOA, each airline's last flight of the day was cancelled 1.6% of the time, against 1.5% for its earlier flights, about the same. It arrived 3+ hours late 0.0% of the time (earlier flights: 0.0%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

AirlineLast departureLast: cancelledLast: 3h+ lateEarlier: cancelledNext morning
United Airlines5:10 p.m.1.7%0.0%1.6%first flight 9:00 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

By month

Each calendar month pooled over 2023–2026. Best: September (89%). Worst: July (77%).

40%70%100%Jan: 80% on time (389 flights)80JanFeb: 80% on time (347 flights)80FebMar: 86% on time (394 flights)86MarApr: 83% on time (377 flights)83AprMay: 85% on time (402 flights)85MayJun: 84% on time (487 flights)84JunJul: 77% on time (508 flights)77JulAug: 78% on time (433 flights)78AugSep: 89% on time (366 flights)89SepOct: 84% on time (372 flights)84OctNov: 88% on time (359 flights)88NovDec: 83% on time (405 flights)83Dec

By day of week

DayFlightsOn timeCancelled
Monday22683%0.4%
Tuesday21281%0.0%
Wednesday21582%0.0%
Thursday22379%0.4%
Friday22384%0.9%
Saturday26579%3.8%
Sunday23778%0.4%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 39%Late inbound plane 29%Air traffic & airport (NAS) 29%Severe weather 3%

Cancellations: weather 10 · airline 5

Month by month

50%75%100%Sep 2023Jan 2024Jan 2025Jan 2026Sep 2023: 91% on time, 0.0% cancelledOct 2023: 84% on time, 0.8% cancelledNov 2023: 89% on time, 0.0% cancelledDec 2023: 83% on time, 0.7% cancelledJan 2024: 74% on time, 0.8% cancelledFeb 2024: 73% on time, 0.9% cancelledMar 2024: 87% on time, 0.0% cancelledApr 2024: 87% on time, 0.0% cancelledMay 2024: 77% on time, 0.0% cancelledJun 2024: 84% on time, 0.6% cancelledJul 2024: 75% on time, 2.3% cancelledAug 2024: 63% on time, 0.0% cancelledSep 2024: 88% on time, 0.0% cancelledOct 2024: 86% on time, 0.8% cancelledNov 2024: 90% on time, 0.8% cancelledDec 2024: 92% on time, 0.0% cancelledJan 2025: 91% on time, 0.8% cancelledFeb 2025: 91% on time, 0.0% cancelledMar 2025: 91% on time, 0.0% cancelledApr 2025: 94% on time, 0.0% cancelledMay 2025: 89% on time, 0.0% cancelledJun 2025: 84% on time, 0.0% cancelledJul 2025: 77% on time, 1.2% cancelledAug 2025: 88% on time, 0.7% cancelledSep 2025: 88% on time, 0.0% cancelledOct 2025: 80% on time, 1.7% cancelledNov 2025: 84% on time, 0.0% cancelledDec 2025: 74% on time, 0.0% cancelledJan 2026: 77% on time, 0.8% cancelledFeb 2026: 78% on time, 0.0% cancelledMar 2026: 81% on time, 5.1% cancelledApr 2026: 69% on time, 0.0% cancelledMay 2026: 90% on time, 0.0% cancelledJun 2026: 84% on time, 0.6% cancelledJul 2026: 80% on time, 0.0% cancelledAug 2026: 83% on time, 2.8% cancelled
Share of flights on time, by month (hover a point for cancellations)
LAX → KOA, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
UA 23739:00 a.m.36590%0.5%−12 minUnited Airlines
AS 5609:26 a.m.29479%1.0%−1 minAlaska Airlines
AA 5911:05 a.m.27676%0.4%−7 minAmerican Airlines
DL 3114:44 p.m.36580%1.4%−8 minDelta Air Lines

Worst days in the past year

DateFlightsOn timeCancelled
Aug 15, 202650%4
Oct 14, 202530%0
Mar 14, 2026617%5
Dec 25, 2025520%0
Dec 24, 2025520%0

Questions

How often are flights from LAX to KOA on time?

81% of 1,601 scheduled flights from Los Angeles, CA to Kona, HI arrived within 15 minutes of schedule between September 2025 and August 2026. 0.9% were cancelled.

What is the best time of day to fly LAX to KOA?

Flights scheduled to leave at 4 p.m. were the most reliable (86% on time). The 2 p.m. departures were the least (74%).

Which airline is most on time from LAX to KOA?

United Airlines: 88% of its 489 flights on the route arrived on time. Alaska Airlines: 77%. Delta Air Lines: 80%. American Airlines: 74%.

What month has the most delays from LAX to KOA?

July (77% on time). The best month is September (89%), over 2023–2026.

Is the last flight of the day from LAX to KOA more likely to be cancelled?

Not much. Each airline's last LAX–KOA flight of the day was cancelled 1.6% of the time over the past year, against 1.5% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.