AS857Alaska Airlines · KOA → PDX
live · 18m ago
Route confirmed Alaska Airlines

AS857 Kailua-KonaKOA · 11:56 PortlandPDX · 20:42

AS857 by Alaska Airlines flies from Kailua-Kona (KOA) to Portland (PDX).

Right nowNext departure today Operates daily
11:56

scheduled from KOA

Typical arrival−20 minmedian over 8 operations

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-05
−32 arrival
10-31
+8 arrival
10-30
−18 arrival
10-29
−32 arrival
10-28
−18 arrival
10-27
−1 arrival
10-26
−23 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −20 min · 0 cancelled · 8 operations tracked

The route today

live boards
KOAKailua-KonaOn-time likelyKOA delay board →
PDXPortlandOn-time likelyPDX delay board →
KOA→PDXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
34%Chance of 15+ min delay
0.6%Chance of cancellation
+8 minTypical airport delay in this weather

Conditions at KOA and PDX are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

Tomorrow at Kailua-Kona

Forecast

Fri 6 Nov, local date

High30°Clikely 29°C to 31°C
Low24°Clikely 24°C to 25°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Portland

Forecast

Fri 6 Nov, local date

High14°Clikely 13°C to 16°C
Low9°Clikely 7°C to 11°C
  • 96% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Kailua-Kona to Portland flights today

same route · Alaska Airlines
AS508departs 12:38

If AS857 is cancelled, this is the other Alaska Airlines nonstop flight from Kailua-Kona to Portland on the same day, with scheduled departure times in KOA local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How AS857 actually runs

Pro Flight Search has tracked every published board update for AS857 across the KOA and PDX boards: schedule changes, gate pushes and actual clocks. Usually lands ~20 min early. Based on 8 confirmed landings · 8/8 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how AS857 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
11-05KOA 11:56PDX 20:42 20:10 (−32)
10-31KOA 11:56PDX 20:42 20:50 (+8)
10-30KOA 11:56PDX 20:42 20:24 (−18)
10-29KOA 11:56PDX 20:42 20:10 (−32)
10-28KOA 11:56PDX 20:42 20:24 (−18)
10-27KOA 11:56PDX 20:42 20:41 (−1)
10-26KOA 11:56PDX 20:42 20:19 (−23)
10-25KOA 11:56PDX 20:42 20:01 (−41)

Aircraft

Recent tails: N223HA, N209HA, N202HA.

Board clocks recorded as KOA and PDX published them.

Planning around AS857? 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: AS857 Kailua-Kona to Portland on-time performance, measured from the KOA and PDX airport boards.

Canonical URL
https://proflightsearch.com/flight/AS857
How we measure this →