WN1143 DenverDEN · 15:25 ATLATL · 20:45
WN1143 by Southwest Airlines flies from Denver (DEN) to ATL (ATL).
Same number through DEN → BWI → ATL
scheduled from DEN
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DEN and ATL 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 DEN
ForecastThu 12 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.
Tomorrow at BWI
ForecastThu 12 Nov, local date
- 91% chance of rain
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 Denver to ATL flights today
same route · Southwest AirlinesIf WN1143 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to ATL on the same day, with scheduled departure times in DEN 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 WN1143 actually runs
Pro Flight Search has tracked every published board update for WN1143 across the DEN and ATL boards: schedule changes, gate pushes and actual clocks. Early read: no clear pattern yet. Only 2 completed legs so far: landed +58 min. Not enough to call it.
The verdict above is that record speaking, so it reflects how WN1143 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: N8524Z, N8827Q, N8645A.
Board clocks recorded as DEN and ATL published them.
Planning around WN1143? 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: WN1143 Denver to ATL on-time performance, measured from the DEN and ATL airport boards.
https://proflightsearch.com/flight/WN1143
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