WS1540 CalgaryYYC HoustonIAH
WS1540 by WestJet flies from Calgary (YYC) to Houston (IAH).
scheduled from YYC
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at YYC and IAH 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.
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 Houston flights today
same route · WestJetIf WS1540 is cancelled, these are the other WestJet nonstop flights from Calgary to Houston 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 WS1540 actually runs
Pro Flight Search has tracked every published board update for WS1540 across the YYC and IAH boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at YYC and IAH.
The verdict above is that record speaking, so it reflects how WS1540 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WS1540? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WS1540 Calgary to Houston on-time performance, measured from the YYC and IAH airport boards.
https://proflightsearch.com/flight/WS1540
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