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521 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 9 in 10 on time.

Best time to leave 9–10 am 93% arrive on time from KOA

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

9
10
11
12
KOA
92
80
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55

Pick an hour to see this route’s flights leaving then.

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.

Southwest 365 92% 0.0% 80 min
Alaska 90 – 0.0% 44 min
Hawaiian 66 – 0.0% 34 min

Dimmed: fewer than 150 flights in the year, too few to rank.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.

No flight on this route ran 150+ times in the year.

All 2 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.

Southwest KOA SMF 5h 10m 92% 0.0% 365 Flying now
Alaska KOA SMF 5h 14m 87% 0.0% 90 Flying now
Hawaiian KOA SMF 5h 10m 85% 0.0% 66 Not flying now

Alternatives with one stop

All connections →
UnitedDetails → KOA 22:50 → SFO 07:00UA 1724 1h 17m San Francisco SFO 08:17 → SMF 09:25 +1UA 5220 · flown by SkyWest 7h 35m 99% 80%
AlaskaDetails → KOA 09:19 → OGG 09:55AS 1039 1h 32m Kahului OGG 11:27 → SMF 19:27AS 960 7h 08m 98% 70%
UnitedDetails → KOA 13:52 → SFO 21:57UA 693 57m San Francisco SFO 22:54 → SMF 23:59UA 1302 7h 07m 80% 47%
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON