AC543 TorontoYYZ · 18:25 SeattleSEA · 20:59
AC543 by Air Canada flies from Toronto (YYZ) to Seattle (SEA) for the Fri, Nov 6 departure.
arrived at SEA · 1452 min early
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at YYZ 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 Toronto
ForecastSun 8 Nov, local date
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
ForecastSun 8 Nov, local date
- 78% 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Toronto to Seattle flights today
same route · Air CanadaIf AC543 is cancelled, this is the other Air Canada 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 AC543 actually runs
Pro Flight Search has tracked every published board update for AC543 across the YYZ and SEA boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 3 completed legs so far: departed -8 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how AC543 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: C-FDUY, C-FHOY.
Board clocks recorded as YYZ and SEA published them.
Planning around AC543? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
Pro Flight Search: AC543 Toronto to Seattle on-time performance, measured from the YYZ and SEA airport boards.
https://proflightsearch.com/flight/AC543
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