WN3984 DenverDEN · 11:40 ChicagoMDW · 14:20
WN3984 by Southwest Airlines flies from Denver (DEN) to Chicago (MDW) for the Wed, Oct 28 departure.
Same number through DEN → DSM → MDW
arrived at MDW · 2 min late
Where the minutes go
last 7 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 operation0 cancelled · 9 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DEN and MDW 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 →
Tomorrow on this route
ForecastDenver to Des Moines with Southwest Airlines · Thu 29 Oct, local date
- Chance a departure leaves 60+ min late
- 14%1.2× usual
Forecast weather: 75% chance of rain at Des Moines
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: WeatherTomorrow · 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Denver to Chicago flights today
same route · Southwest AirlinesIf WN3984 is cancelled, these are the other Southwest Airlines nonstop flights from Denver to Chicago on the same day, with scheduled departure times in DEN local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN3984 actually runs
Pro Flight Search has tracked every published board update for WN3984 across the DEN and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 9 confirmed landings · 8/9 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how WN3984 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: N8518R, N8559Q, N8503A, N8528Q.
Board clocks recorded as DEN and MDW published them.
Planning around WN3984? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN3984 Denver to Chicago on-time performance, measured from the DEN and MDW airport boards.
https://proflightsearch.com/flight/WN3984
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