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Route on-time record

LAX to KOA: most on-time flights and the best time to fly

Los Angeles (Los Angeles International Airport) to Kailua-Kona (Ellison Onizuka Kona International Airport at Keāhole). 1,606 nonstop flights in Jun 2025 to May 2026, 82% arrived within 15 minutes and 0.8% were cancelled. The most reliable flight number was United 2373 at 9:00 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

LAX → KOA

Los Angeles to Kailua-Kona: 1,606 nonstop flights a year

On time (12 months)

82%

Cancelled

0.8%

avg delay 11 min

Best time to leave

3 to 6 PM

85% on time vs 74% noon to 3 PM

Most reliable airline

United

87% chance on time

Check LAX to KOA fares

Lowest nonstop fare seen in the next two months: $148 (Alaska 560 on 2026-10-19). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

  1. #1 · United 2373

    9:00 AM → 11:50 AM5h 50m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    91%

    chance on time

    On time (history)
    92%
    Cancelled
    0.5%
    Avg arrival delay
    5 min
    • Arrived on time 92% of the time (362 flights, Jun 2025 to May 2026).
    • Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).

    Strong track record · 362 flights

    Find United 2373 fares Opens this date on Aviasales

  2. #2 · United 1718

    5:10 PM → 7:47 PM5h 37m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    83%

    chance on time

    On time (history)
    82%
    Cancelled
    1.7%
    Avg arrival delay
    7 min
    • Arrived on time 82% of the time (117 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (3 to 6 PM: 85% on time; Noon to 3 PM: 74%).
    • Departs inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.

    Moderate track record · 117 flights

    Find United 1718 fares Opens this date on Aviasales

  3. #3 · Alaska 310

    4:56 PM → 7:46 PM5h 50m nonstop

    Local times, typical schedule. Last flown 2026-04-19.

    81%

    chance on time

    On time (history)
    80%
    Cancelled
    0.0%
    Avg arrival delay
    14 min
    • Arrived on time 80% of the time (10 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (3 to 6 PM: 85% on time; Noon to 3 PM: 74%).
    • Departs inside LAX's trouble window: 53% of its 15 ground stops and delay programs started between 4 PM and 10 PM.
    • Short track record (10 flights), so its score leans on the airline's record at this hour.

    Limited track record · 10 flights

    Find Alaska 310 fares Opens this date on Aviasales

  4. #4 · Delta 311

    2:59 PM → 5:47 PM5h 44m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    81%

    chance on time

    On time (history)
    83%
    Cancelled
    1.4%
    Avg arrival delay
    11 min
    • Arrived on time 83% of the time (360 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (Noon to 3 PM: 74% on time; 3 to 6 PM: 85%).
    • Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).

    Strong track record · 360 flights

    Find Delta 311 fares Opens this date on Aviasales

  5. #5 · American 247

    3:07 PM → 5:59 PM5h 52m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    80%

    chance on time

    On time (history)
    85%
    Cancelled
    2.9%
    Avg arrival delay
    9 min
    • Arrived on time 85% of the time (33 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (3 to 6 PM: 85% on time; Noon to 3 PM: 74%).
    • Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
    • Short track record (33 flights), so its score leans on the airline's record at this hour.

    Limited track record · 33 flights

    Find American 247 fares Opens this date on Aviasales

  6. #6 · American 59

    2:16 PM → 4:58 PM5h 42m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    79%

    chance on time

    On time (history)
    80%
    Cancelled
    0.0%
    Avg arrival delay
    14 min
    • Arrived on time 80% of the time (271 flights, Jun 2025 to May 2026).
    • Never cancelled in 272 scheduled flights.
    • Leaves in this route's least on-time window (Noon to 3 PM: 74% on time; 3 to 6 PM: 85%).
    • Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).

    Strong track record · 271 flights

    Find American 59 fares Opens this date on Aviasales

  7. #7 · Alaska 560

    9:26 AM → 12:19 PM5h 53m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    74%

    chance on time

    On time (history)
    74%
    Cancelled
    0.8%
    Avg arrival delay
    13 min
    • Arrived on time 74% of the time (348 flights, Jun 2025 to May 2026).
    • Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).

    Strong track record · 348 flights

    Find Alaska 560 fares Opens this date on Aviasales

  8. #8 · American 246

    9:06 AM → 11:45 AM5h 39m nonstop

    Local times, typical schedule. Last flown 2026-05-20.

    69%

    chance on time

    On time (history)
    56%
    Cancelled
    0.0%
    Avg arrival delay
    30 min
    • Arrived on time 56% of the time (43 flights, Jun 2025 to May 2026).
    • Never cancelled in 44 scheduled flights.
    • Departs outside LAX's trouble window (4 PM to 10 PM, when 53% of its 15 ground stops and delay programs started).
    • Short track record (43 flights), so its score leans on the airline's record at this hour.

    Limited track record · 43 flights

    Find American 246 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • United Airlines87%

    494 flights · 89% on time as flown · 0.8% cancel

  • Delta Air Lines81%

    365 flights · 83% on time as flown · 1.2% cancel

  • American Airlines77%

    350 flights · 77% on time as flown · 0.4% cancel

  • Alaska Airlines75%

    363 flights · 75% on time as flown · 0.8% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM78%

    305 flights · avg delay 11 min

  • 9 AM to noon83%

    736 flights · avg delay 11 min

  • Noon to 3 PM74%

    154 flights · avg delay 18 min

  • 3 to 6 PM85%

    411 flights · avg delay 7 min

Best day: Monday (86%). Worst: Sunday (81%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

J
82
F
81
M
88
A
83
M
86
J
82
J
80
A
77
S
89
O
85
N
88
D
84

What delays this route

  • Airline (crew, maintenance, boarding)41%
  • Air traffic control and airport volume31%
  • Late-arriving aircraft27%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

Finding the most reliable connections from LAX to KOA…

LAX to KOA questions

What time of day is best to fly LAX to KOA?
3 to 6 PM: 85% of flights arrived on time, against 74% for departures noon to 3 PM.
Which airline is most on time from LAX to KOA?
United, with a season-adjusted 87% chance of operating and arriving on time over 494 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on LAX to KOA?
August (77% on time); the best was September (89%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?
No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from LAX

Live status: FAA delays and ground stops