SMF → KOASacramento to Kailua-Kona

live

Direct flights from Sacramento (SMF) to Kailua-Kona (KOA): 10 nonstop departures observed each week across 2 airlines. 91% of the last 11 operated flights arrived within 15 minutes of schedule. The median arrival is 8 minutes early. No cancellations were recorded across the 11 tracked flights. The nonstop covers 3,917 km, an estimated 5 hours 31 minutes in the air. Measured by Pro Flight Search from live flight boards at Sacramento and Kailua-Kona. Updated 16 October 2026 at 22:18 UTC.

Today, SMF → KOA

Fri 16 Oct · local times
WN3918SouthwestIn the air, 19 min late

Left SMF at 10:19, 19 min after its 10:00 slot.

Landing
12:18KOA board estimate · sched 12:25
Track WN3918 →
  1. 10:00 WN3918Southwest Left 10:19 +19 KOA est. 12:18In the air · sched 12:25

Checked SMF board 15:18 · KOA board 10:33

SMF Sacramento busy · +15
KOA Kailua-Kona tracking
3,917 km · ~5h 31m est.
dep bank 09:25–10:1010x weekly
Runs reliable · 2 airlines · 10x weekly · nonstop
91% on time

of the last 11 operated SMF → KOA flights arrived within 15 minutes

Median arrival delay is −8 min. 0 of 11 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−8 minacross the last 11 operated legs
Flight time~5h 31mestimated from route distance
Weekly departures10x2 direct airlines on the leg
Cancelled0.0%recent route rate · 0 of 11

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Alaska AirlinesSouthwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Alaska AirlinesAS

Flights AS842 10:10 Mo We Sa

Southwest AirlinesWN88% on time

Flights WN380 09:25 Sa · WN3918 10:00 Mo Tu We Th Fr Su

History

operated legs · board outcomes
10-16WN3918dep +19 → arr−7
10-15WN3918dep +12 → arr−8
10-14AS842dep +18 → arr−3
10-14WN3918dep +6 → arr−6
10-13WN3918dep +7 → arr−8
10-12AS842dep +6 → arr−22
10-12WN3918dep +24 → arr−11
10-11WN3918dep +16 → arr−20
10-10AS842dep +7 → arr−24
10-10WN380dep +22 → arr−18
10-09WN3918dep +73 → arr+38

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
SMFSacramento +15 min busy Full SMF delay board →
KOAKailua-Kona tracking Full KOA delay board →

Weather lens

Current conditions put the pressure at SMF and KOA: 41% odds of a 15+ minute delay, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Sacramento to Kailua-Kona route actually runs

Pro Flight Search records official board updates for nonstop SMF to KOA flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — Sacramento (SMF) to Kailua-Kona (KOA) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/SMF-KOA
How we measure this →

SMF to KOA questions

Is SMF–KOA running on time right now?

Mostly on schedule. The departure side at SMF is the weaker end, route health score 80/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SMF–KOA?

Operators schedule morning departures around 09:25 from SMF. Earlier flights typically land before destination-airport delays accumulate later in the day; check the KOA delay card to confirm conditions when you'd arrive.

How long is the flight from SMF to KOA?

Great-circle distance is 3,917 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 306–366 min gate-to-gate on this route.

How often does SMF–KOA fly?

2 carriers operate this route, around 10 flights a week between them. Compare carrier days and times in the airline list above.