AS427Alaska Airlines · PDX → SEA
live · 13m ago
Route confirmed Alaska Airlines

AS427 PortlandPDX · 07:08 SeattleSEA · 08:15

AS427 by Alaska Airlines flies from Portland (PDX) to Seattle (SEA) for the Thu, Nov 5 departure.

Right nowEn route to Seattle · off blocks 07:18 · 10 min late
En route

en route from PDX to SEA

En routeAS427 · position estimated
PDXPortlandSEASeattle
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 07:18 · typical taxi-out at PDX ≈ 6.4 min.

Typical gate push−1 minmedian posted departure
Cancellation0 in 10tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
11-05
+10 gate
11-04
+30 gate
11-03
−1 gate
11-02
+7 gate
11-01
−1 gate
10-31
+3 gate
10-30
−11 gate

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

0 cancelled · 10 operations tracked

The route today

live boards
PDXPortlandOn-time likelyPDX delay board →
SEASeattleOn-time likelySEA delay board →
PDX→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
33%Chance of 15+ min delay
1.4%Chance of cancellation
+4 minTypical airport delay in this weather

Conditions at PDX and SEA 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 Portland

Forecast

Fri 6 Nov, local date

High15°Clikely 13°C to 16°C
Low9°Clikely 7°C to 10°C
  • 97% 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.

Tomorrow at Seattle

Forecast

Fri 6 Nov, local date

High14°Clikely 13°C to 15°C
Low9°Clikely 8°C to 10°C
  • 97% 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 Portland to Seattle flights today

same route · Alaska Airlines
AS2205departs 05:05
AS2197departs 05:06
AS3443departs 05:06
AS2258departs 05:07
AS499departs 06:09
AS1860departs 07:09

If AS427 is cancelled, these are the other Alaska Airlines nonstop flights from Portland to Seattle on the same day, with scheduled departure times in PDX 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 AS427 actually runs

Pro Flight Search has tracked every published board update for AS427 across the PDX and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 10 confirmed departures · 10/10 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how AS427 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
11-05PDX 07:08 07:18 (+10)SEA 08:15
11-04PDX 07:08 07:38 (+30)SEA 08:15
11-03PDX 07:08 07:07 (−1)SEA 08:15
11-02PDX 07:08 07:15 (+7)SEA 08:15
11-01PDX 07:08 07:07 (−1)SEA 08:15
10-31PDX 07:09 07:12 (+3)SEA 08:25
10-30PDX 07:09 06:58 (−11)SEA 08:25
10-29PDX 07:09 07:03 (−6)SEA 08:25
10-28PDX 07:09 07:04 (−5)SEA 08:25
10-27PDX 07:09 07:01 (−8)SEA 08:25

Aircraft

Recent tails: N292AK.

Board clocks recorded as PDX and SEA published them.

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: AS427 Portland to Seattle on-time performance, measured from the PDX and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/AS427
How we measure this →