Best time to fly out of Kahului (OGG)

The early-flight folk wisdom holds up at Kahului: departures in the 6–8am band left on time 95.6% of the time, against 81.5% in the 2–4pm band. These are historical odds, not forecasts. The records say what happened on this schedule over three years; they know nothing about tomorrow’s thunderstorm.

Data through June 2026 · Bureau of Transportation Statistics

On-time rate by hour and day

On this page, “on time” means a departure that pushed back less than 15 minutes behind its scheduled time — the Bureau of Transportation Statistics definition, and the one airlines are held to.

Share of departures that left on time, by hour band and day of week.
Departure time MonTueWedThuFriSatSun
Before 6am – – – – – – –
6–8am 95 95 97 94 95 97 96
8–10am 95 95 94 95 93 94 97
10am–12pm 90 91 89 88 86 87 89
12–2pm 83 85 83 84 81 81 83
2–4pm 81 84 84 79 78 80 83
4–6pm 83 86 84 83 77 85 81
6–8pm 89 93 91 86 80 89 87
8–10pm 89 94 91 90 87 93 91
10pm–12am 85 91 88 87 86 81 85
fewer left on time more left on time

The steadiest stretch at OGG was 6–8am — 95.6% of departures left on time across 5,547 flights. The weakest was 2–4pm at 81.5%. 6–8am departures from OGG left on time 95.6% of the time across 5,547 flights; 6–8pm departures, 88% across 5,518. That is a gap of 7.6 points, and it is the whole case for the early flight.

The year at OGG

January was the hard month at OGG: 83.5% of departures left on time, across 6,669 flights. September was the easy one at 92.6%. Each month pools three years of that month, so a single bad week does not decide it.

Share of departures that left on time, by calendar month. Best month in green, worst in amber. The hairline sits at the overall rate, 86.8%.
Departure on-time share at OGG by calendar month
Month Share departures that left on time Flights
January 83.5% 6,669
February 84% 6,036
March 84.9% 6,932
April 86.4% 6,373
May 87.3% 6,418
June 88.4% 6,606
July 84.8% 7,462
August 87.4% 7,121
September 92.6% 6,239
October 87% 6,387
November 89.5% 6,301
December 85.9% 6,851

Airlines at OGG

Every airline with at least 100 departures from OGG, busiest first. These are that airline’s departures from this airport only — its record across the country sits on its own page.

Airline Left on time Typical delay Cancelled Departures
Hawaiian Airlines 85.8% 45 min 1% 34,447
Southwest Airlines 92.3% 47 min 0.5% 18,180
Alaska Airlines 77.9% 51 min 1.5% 13,229
United Airlines 90.9% 95 min 1.2% 6,102
American Airlines 90% 195 min 0.6% 4,046
Delta Air Lines 90.2% 98 min 1.9% 3,391

Hawaiian Airlines (through December 2025) stopped filing before June 2026. Its row covers a shorter run of months than the rest of the table, so its figure is not set against the others anywhere on this page.

What delays out of OGG were put down to

Airlines file a reason with every arrival running 15 minutes late or more. Across 10,963 flights that departed OGG and ran 15 minutes late or more, the delay minutes break down with 47.6% put down to late-arriving aircraft and 39.6% to airline operations.

Late-arriving aircraft 47.6% Airline operations 39.6% Air traffic & airport volume 8.8% Severe weather 3.8% Security 0.2%
  • Late-arriving aircraft 47.6%
  • Airline operations 39.6%
  • Air traffic & airport volume 8.8%
  • Severe weather 3.8%
  • Security 0.2%

Late-arriving aircraft is the knock-on category: the plane came in late, so it went out late again. It is why a 7am problem in Newark is still a problem in Denver at dinnertime, and why it is usually the biggest slice on the bar.

If you are connecting through OGG

Of 79,381 scheduled arrivals into OGG, 85.7% reached the gate less than 15 minutes behind schedule. Of the 10,404 arrivals that ran late, 70.9% were no more than 45 minutes behind — which is the difference between a tight connection and a new boarding pass.

Work out a specific layover — pick the airport and the minutes you have, and the tool reads the same arrival records back as a share.

Busiest routes out of OGG

Ranked by flights, with the share that arrived on time at the far end. Where a route carries enough flights for a page of its own the chip goes there; otherwise it goes to the destination airport.

OGG in one number

Kahului (OGG)

Rank 55 of 363 US airports by departures. Steadiest stretch of the day: 6–8am. Hardest month: January.

July 2023–June 2026 · 78,602 departures flown

86.8% of departures left on time

Questions about OGG

What is the best time of day to fly out of Kahului?
6–8am. Departures in that band left on time 95.6% of the time across 5,547 flights, July 2023 through June 2026 — the best of the ten bands in the day. The 2–4pm band was the weakest at 81.5%.
Is the early flight out of OGG really more reliable?
6–8am departures from OGG left on time 95.6% of the time across 5,547 flights; 6–8pm departures, 88% across 5,518. That is a gap of 7.6 points, and it is the whole case for the early flight.
What is the worst month to fly out of OGG?
January: 83.5% of the departures that flew left on time, with 6,669 scheduled. September was the other end of the year at 92.6%. Each figure pools three years of that calendar month.
Which airline is most on time at OGG?
Southwest Airlines — 92.3% of its 18,180 departures from OGG left on time. Alaska Airlines sat at the other end at 77.9% over 13,229 flights. Only airlines with at least 100 departures here are ranked. Airlines that stopped filing before June 2026 are left out of the ranking — their figures cover a shorter run of months than the rest of the table.
How often are flights cancelled at OGG?
1% of scheduled departures were cancelled over July 2023 through June 2026. Cancellations are counted against everything scheduled, not against everything that flew — a rate that looks small still adds up to real people in a rebooking line.