Route Reliability

Route reliability

Kona (KOA) to Honolulu (HNL): which airline is most on time?

On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Kona, HI (KOA) to Honolulu, HI (HNL), September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Kona, HIHonolulu, HI

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Route at a glance · September 2025 to August 2026

KOA to HNL

Kona, HI to Honolulu, HI

On time
82.5%vs 75.6% U.S. average Better than average
Cancelled
1.5%vs 1.9% U.S. average Better than average
60+ min late
3.2%vs 8.1% U.S. average Better than average
Scheduled flights
7,227in 12 months3 airlines
Most reliable airline
Southwest Airlines93.9% on time · 1,770 flights

On time more often than the U.S. average, with fewer cancellations.

Compared with all U.S. flights, September 2025 to August 2026. “About average” means within 1.5 points for on time, 0.3 for cancelled and 1 for 60+ minutes late.

Airlines on this route

Ranked by on-time arrival

Airlines from KOA to HNL, September 2025 to August 2026. Rates are shares of all scheduled flights.
Airline On time Cancelled 60+ min late Avg delay when late Diverted Flights
1. Southwest Airlines Most reliable 93.9% 1.5% 1.5% 63 min 0.0% 1,770
2. Hawaiian Airlines 84.4% 1.0% 2.8% 46 min 0.1% 1,760
3. Alaska Airlines 76.2% 1.8% 4.2% 45 min 0.0% 3,697

On time = arrived within 15 minutes of schedule. Avg delay when late = average arrival delay of flights 15+ minutes late. "Most reliable" needs at least 300 flights in 12 months. Tap a heading to sort.

What this means

Southwest Airlines has the strongest record on this route.

  • Southwest Airlines had the best on-time record from Kona (KOA) to Honolulu (HNL): 93.9% of its 1,770 scheduled flights arrived within 15 minutes of schedule, compared with 76.2% for Alaska Airlines.
  • 1.5% of flights on this route were cancelled (about 1 in 67), about the same as the U.S. average of 1.9%.
  • 3.2% of flights, about 1 in 31, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 46 min.
  • Overall, 82.5% of flights on this route arrived on time, 6.9 points higher than the U.S. average of 75.6%.
  • Over the last 3 years, September was the most reliable month on this route (93.5% on time) and January the least reliable (80.0%).
  • Cancellations peaked in March, when 2.5% of flights were cancelled.
  • Flights scheduled to depart 7 am to 8 am were the most punctual (93.2% on time); flights scheduled to depart noon to 1 pm were the least (67.7%).
  • In the other direction, Honolulu (HNL) to Kona (KOA), 84.1% of flights were on time and 1.4% were cancelled. Compare airlines HNL to KOA.

Best and worst months to fly KOA to HNL

Jan 80.0%
Feb 84.0%
Mar 82.9%
Apr 85.2%
May 84.3%
Jun 86.6%
Jul 86.0%
Aug 88.0%
Sep 93.5%
Oct 86.4%
Nov 88.9%
Dec 84.9%
Share of scheduled flights on time 12-month average 82.5%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 80.0% 2,025
February 84.0% 1,830
March 82.9% 2,003
April 85.2% 1,863
May 84.3% 1,965
June 86.6% 1,872
July 86.0% 1,921
August 88.0% 1,927
September 93.5% 1,911
October 86.4% 2,001
November 88.9% 1,934
December 84.9% 1,993
Best and worst calendar month by airline, September 2023 to August 2026.
AirlineBest monthWorst month
Southwest Airlines April (96.5%) January (90.4%)
Hawaiian Airlines September (92.6%) January (76.7%)
Alaska Airlines June (81.6%) March (69.5%)

Month by month, last 12 months

Sep 94.0%
Oct 89.5%
Nov 86.8%
Dec 77.1%
Jan 79.5%
Feb 81.7%
Mar 73.9%
Apr 81.3%
May 81.4%
Jun 85.5%
Jul 82.8%
Aug 78.6%
Share of scheduled flights on time U.S. average 75.6%
All airlines combined, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 94.0% 570
Oct 2025 89.5% 590
Nov 2025 86.8% 584
Dec 2025 77.1% 607
Jan 2026 79.5% 650
Feb 2026 81.7% 574
Mar 2026 73.9% 628
Apr 2026 81.3% 589
May 2026 81.4% 635
Jun 2026 85.5% 586
Jul 2026 82.8% 598
Aug 2026 78.6% 616

Best and worst departure times

6a 93.1%
7a 93.2%
8a 91.3%
9a 76.9%
10a 81.9%
11a 84.9%
12p 67.7%
1p 78.7%
2p 70.9%
3p 80.4%
4p 80.4%
5p 78.6%
6p 80.4%
7p 85.6%
8p 87.6%
9p 83.4%
Share of scheduled flights on time
By scheduled local departure hour at KOA, September 2025 to August 2026. Hours with no scheduled flights are omitted. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing 6 am to 7 am 93.1% 670
Departing 7 am to 8 am 93.2% 176
Departing 8 am to 9 am 91.3% 704
Departing 9 am to 10 am 76.9% 160
Departing 10 am to 11 am 81.9% 354
Departing 11 am to noon 84.9% 648
Departing noon to 1 pm 67.7% 341
Departing 1 pm to 2 pm 78.7% 343
Departing 2 pm to 3 pm 70.9% 495
Departing 3 pm to 4 pm 80.4% 872
Departing 4 pm to 5 pm 80.4% 485
Departing 5 pm to 6 pm 78.6% 562
Departing 6 pm to 7 pm 80.4% 454
Departing 7 pm to 8 pm 85.6% 603
Departing 8 pm to 9 pm 87.6% 113
Departing 9 pm to 10 pm 83.4% 247
Woman at an airport window watching a plane take off
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Nonstop scheduled flights from Kona, HI (KOA) to Honolulu, HI (HNL), one direction. Airlines that report to the DOT only.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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