WS4151WestJet · ATL → YYC
live · 47m ago
Route confirmed WestJet

WS4151 AtlantaATL CalgaryYYC

WS4151 by WestJet flies from Atlanta (ATL) to Calgary (YYC).

Right nowNext departure today Operates daily
20:45

scheduled from ATL

The route today

live boards
ATLAtlantaHigh riskATL delay board →
YYCCalgaryOn-time likelyYYC delay board →
ATL→YYCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
32%Chance of 15+ min delay
2.2%Chance of cancellation
+6 minTypical airport delay in this weather

Conditions at ATL and YYC 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 on this route

Forecast

Atlanta to Calgary with WestJet · Mon 2 Nov, local date

Outlook: below usual
Chance a departure is cancelled
0.9%0.5× usual
Chance a departure leaves 60+ min late
3.3%0.6× usual

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 2 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Atlanta to Calgary flights today

same route · WestJet
WS1593departs 08:15
WS1831departs 09:15
WS1591departs 14:25
WS1595departs 19:05

If WS4151 is cancelled, these are the other WestJet nonstop flights from Atlanta to Calgary on the same day, with scheduled departure times in ATL 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 WS4151 actually runs

Pro Flight Search has tracked every published board update for WS4151 across the ATL and YYC boards: schedule changes, gate pushes and actual clocks. Combined risk score: 48.5/100. Based on airport operations, weather, and cached board history at ATL and YYC.

The verdict above is that record speaking, so it reflects how WS4151 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Planning around WS4151? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search: WS4151 Atlanta to Calgary on-time performance, measured from the ATL and YYC airport boards.

Canonical URL
https://proflightsearch.com/flight/WS4151
How we measure this →