WS558 CalgaryYYC · 10:15 MontréalYUL · 16:30
WS558 by WestJet flies from Calgary (YYC) to Montréal (YUL) for the Tue, Sep 15 departure.
arrived at YUL · 43 min early
Where the minutes go
last 4 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
Early read, sample still buildingConditions at YYC and YUL 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. This route's tracked sample is still thin — treat these as an early read, not a precise forecast.
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 Calgary to Montréal flights today
same route · WestJetIf WS558 is cancelled, these are the other WestJet nonstop flights from Calgary to Montréal on the same day, with scheduled departure times in YYC local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WS558 actually runs
Pro Flight Search has tracked every published board update for WS558 across the YYC and YUL boards: schedule changes, gate pushes and actual clocks. Usually lands ~15 min early. Based on 3 confirmed landings · 3/3 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how WS558 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: CGORP, CFUJR, CGXWJ, C-GEWJ.
Board clocks recorded as YYC and YUL published them.
Planning around WS558? 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 — WS558 Calgary to Montréal on-time performance, measured from the YYC and YUL airport boards.
https://proflightsearch.com/flight/WS558
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