WN3520 PittsburghPIT · 13:40 ChicagoMDW · 14:10
WN3520 by Southwest Airlines flies from Pittsburgh (PIT) to Chicago (MDW).
scheduled from PIT
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 −10 min · 0 cancelled · 8 operations tracked
The route today
live boardsWeather lens
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at PIT and MDW 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
ForecastPittsburgh to Chicago with Southwest Airlines · Tue 3 Nov, local date
- Chance a departure leaves 60+ min late
- 6.0%0.8× usual
Forecast weather: 73% chance of rain at Chicago
No cancellation outlook here: this airport's board does not publish cancellations reliably.
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · About 3 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 Pittsburgh to Chicago flights today
same route · Southwest AirlinesIf WN3520 is cancelled, these are the other Southwest Airlines nonstop flights from Pittsburgh to Chicago on the same day, with scheduled departure times in PIT 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 WN3520 actually runs
Pro Flight Search has tracked every published board update for WN3520 across the PIT and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands ~10 min early. Based on 8 confirmed landings · 8/8 within 15 min of schedule. Pushes back late but makes up time in the air.
The verdict above is that record speaking, so it reflects how WN3520 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: N8924Q, N8811L, N8545V, N9022W.
Board clocks recorded as PIT and MDW published them.
Planning around WN3520? 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: WN3520 Pittsburgh to Chicago on-time performance, measured from the PIT and MDW airport boards.
https://proflightsearch.com/flight/WN3520
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