WS9527 TorontoYYZ · 00:30 CalgaryYYC · 02:50
WS9527 by WestJet flies from Toronto (YYZ) to Calgary (YYC).
scheduled from YYZ
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at YYZ and YYC are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.
Under low visibility at YYZ, WestJet has historically cancelled ~16% of flights, vs 2.4% in clear conditions, over the trailing 90 days.
Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Toronto to Calgary flights today
same route · WestJetIf WS9527 is cancelled, these are the other WestJet nonstop flights from Toronto to Calgary on the same day, with scheduled departure times in YYZ local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WS9527 actually runs
Pro Flight Search has tracked every published board update for WS9527 across the YYZ and YYC boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left heavily delayed (~128 min) but landed heavily delayed (~115 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how WS9527 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-GRWS.
Board clocks recorded as YYZ and YYC published them.
Planning around WS9527? 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 — WS9527 Toronto to Calgary on-time performance, measured from the YYZ and YYC airport boards.
https://proflightsearch.com/flight/WS9527
.