AS391Alaska Airlines · YYZ → SEA
updated 18m ago
Route confirmed Alaska Airlines

AS391 TorontoYYZ · 17:15 SeattleSEA · 19:45

AS391 by Alaska Airlines flies from Toronto (YYZ) to Seattle (SEA) for the Wed, Nov 11 departure.

Right nowDeparted · gate A12
17:27

departs YYZ · 12 min late

Typical gate push+12 minmedian posted departure

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
11-12
+12 gate
11-11
+12 gate
11-10
+7 gate
11-09
+11 gate

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

The route today

live boards
YYZTorontoOn-time likelyYYZ delay board →
SEASeattleOn-time likelySEA delay board →
YYZ→SEAevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
37%Chance of 15+ min delay
4.0%Chance of cancellation
+14 minTypical airport delay in this weather

Driven mainly by YYZ (Toronto), currently flying IFR (instrument). 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 Toronto

Forecast

Fri 13 Nov, local date

High5°Clikely 4°C to 7°C
Low1°Clikely −1°C to 2°C
  • 21% chance of snow

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

Thu 12 Nov, local date

High15°Clikely 14°C to 17°C
Low10°Clikely 9°C to 11°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.

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 Toronto to Seattle flights today

same route · Alaska Airlines
AS9802departs 11:00

If AS391 is cancelled, this is the other Alaska Airlines nonstop flight from Toronto to Seattle on the same day, with scheduled departure times in YYZ 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 AS391 actually runs

Pro Flight Search has tracked every published board update for AS391 across the YYZ and SEA boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 4 confirmed departures · 4/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how AS391 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
11-12YYZ 17:15 17:27 (+12)SEA 19:45
11-11YYZ 17:15 17:27 (+12)SEA 19:45
11-10YYZ 17:15 17:22 (+7)SEA 19:45
11-09YYZ 17:15 17:26 (+11)SEA 19:45

Aircraft

Recent tails: N985AK, N738AL, N548AS.

Board clocks recorded as YYZ and SEA published them.

Planning around AS391? 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: AS391 Toronto to Seattle on-time performance, measured from the YYZ and SEA airport boards.

Canonical URL
https://proflightsearch.com/flight/AS391
How we measure this →