AS366Alaska Airlines · SEA → IAD
live · 18m ago
Route confirmed Alaska Airlines

AS366 SeattleSEA · 15:56 WashingtonIAD · 23:59

AS366 by Alaska Airlines flies from Seattle (SEA) to Washington (IAD).

Right nowNext departure today Operates daily
15:56

scheduled from SEA

Typical arrival−19 minmedian over 5 operations

Where the minutes go

last 5 operations · gate push → arrival
0+30+60+90 min
11-05
−13 arrival
10-30
−19 arrival
10-29
−13 arrival
10-28
−19 arrival
10-27
−24 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 −19 min · 0 cancelled · 5 operations tracked

The route today

live boards
SEASeattleOn-time likelySEA delay board →
IADWashingtonOn-time likelyIAD delay board →
SEA→IADevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
34%Chance of 15+ min delay
2.5%Chance of cancellation
+5 minTypical airport delay in this weather

Driven mainly by IAD (Washington), currently flying MVFR (marginal visual). 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 Seattle

Forecast

Fri 6 Nov, local date

High13°Clikely 11°C to 15°C
Low9°Clikely 7°C to 11°C
  • 94% 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 Washington

Forecast

Fri 6 Nov, local date

High21°Clikely 19°C to 23°C
Low14°Clikely 11°C to 17°C
  • 34% chance of fog

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 Seattle to Washington flights today

same route · Alaska Airlines
AS737departs 08:15
AS367departs 21:36

If AS366 is cancelled, these are the other Alaska Airlines nonstop flights from Seattle to Washington on the same day, with scheduled departure times in SEA 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 AS366 actually runs

Pro Flight Search has tracked every published board update for AS366 across the SEA and IAD boards: schedule changes, gate pushes and actual clocks. Usually lands ~9 min early. Based on 5 confirmed landings · 5/5 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how AS366 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
11-05SEA 15:56IAD 23:59 23:46 (−13)
10-30SEA 15:56IAD 23:59 23:40 (−19)
10-29SEA 15:56IAD 23:59 23:46 (−13)
10-28SEA 15:56IAD 23:59 23:40 (−19)
10-27SEA 15:56IAD 23:59 23:35 (−24)

Aircraft

Recent tails: N266AK, N294AK, N215AK, N962AK.

Board clocks recorded as SEA and IAD published them.

Planning around AS366? 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: AS366 Seattle to Washington on-time performance, measured from the SEA and IAD airport boards.

Canonical URL
https://proflightsearch.com/flight/AS366
How we measure this →