WS1550 CalgaryYYC SeattleSEA
WS1550 by WestJet flies from Calgary (YYC) to Seattle (SEA).
scheduled from YYC
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Early read, sample still buildingConditions at YYC and SEA 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 Seattle flights today
same route · WestJetIf WS1550 is cancelled, these are the other WestJet nonstop flights from Calgary to Seattle 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 WS1550 actually runs
Pro Flight Search has tracked every published board update for WS1550 across the YYC and SEA boards: schedule changes, gate pushes and actual clocks. Combined risk score: 33.0/100. Based on airport operations, weather, and cached board history at YYC and SEA.
The verdict above is that record speaking, so it reflects how WS1550 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WS1550? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WS1550 Calgary to Seattle on-time performance, measured from the YYC and SEA airport boards.
https://proflightsearch.com/flight/WS1550
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