WS1570 CalgaryYYC · 08:45 DenverDEN · 11:20
WS1570 by WestJet flies from Calgary (YYC) to Denver (DEN) for the Mon, Sep 7 departure.
arrived at DEN · on schedule
Where the minutes go
last 5 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operationmedian arrival −5 min · 0 cancelled · 5 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Early read, sample still buildingDriven mainly by YYC (Calgary), currently flying LIFR (low instrument). 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.
How WS1570 actually runs
Pro Flight Search has tracked every published board update for WS1570 across the YYC and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 5 confirmed landings · 5/5 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how WS1570 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: CGMWJ, CGWBF, CGWRG, CGWBJ.
Board clocks recorded as YYC and DEN published them.
Planning around WS1570? 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 — WS1570 Calgary to Denver on-time performance, measured from the YYC and DEN airport boards.
https://proflightsearch.com/flight/WS1570
.