WS4140 CalgaryYYC · 08:00 Los AngelesLAX
WS4140 by WestJet flies from Calgary (YYC) to Los Angeles (LAX) for the Sat, Nov 7 departure.
departs YYC · on schedule
board checked 62m ago · checking again in 45s
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at YYC and LAX 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 Calgary
ForecastSun 8 Nov, local date
- Gusts to 35 kt
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 Los Angeles
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.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Calgary to Los Angeles flights today
same route · WestJetIf WS4140 is cancelled, these are the other WestJet nonstop flights from Calgary to Los Angeles on the same day, with scheduled departure times in YYC 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 WS4140 actually runs
Pro Flight Search has tracked every published board update for WS4140 across the YYC and LAX boards: schedule changes, gate pushes and actual clocks. Combined risk score: 51.5/100. Based on airport operations, weather, and cached board history at YYC and LAX.
The verdict above is that record speaking, so it reflects how WS4140 operates rather than what the timetable promises. Numbers refresh as new flights operate.
Planning around WS4140? 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: WS4140 Calgary to Los Angeles on-time performance, measured from the YYC and LAX airport boards.
https://proflightsearch.com/flight/WS4140