WN1504 WashingtonDCA · 09:10 ChicagoMDW · 10:10
WN1504 by Southwest Airlines flies from Washington (DCA) to Chicago (MDW) for the Tue, Oct 27 departure.
arrived at MDW · 10 min early
⚖ WN1504 typically leaves +35 and lands −1. The air wins minutes back.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 operationmedian arrival −1 min · 1 cancelled · 10 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at DCA 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
ForecastWashington to Chicago with Southwest Airlines · Thu 29 Oct, local date
- Chance a departure leaves 60+ min late
- 18%1.2× usual
Forecast weather: 38% chance of fog at Washington
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 6 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 Washington to Chicago flights today
same route · Southwest AirlinesIf WN1504 is cancelled, these are the other Southwest Airlines nonstop flights from Washington to Chicago on the same day, with scheduled departure times in DCA local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN1504 actually runs
Pro Flight Search has tracked every published board update for WN1504 across the DCA and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 8 confirmed landings · 7/8 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how WN1504 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: N8504G, N8727M, N9031W, N8812Q.
Board clocks recorded as DCA and MDW published them.
Planning around WN1504? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — WN1504 Washington to Chicago on-time performance, measured from the DCA and MDW airport boards.
https://proflightsearch.com/flight/WN1504
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