WN4978 PhoenixPHX · 15:50 ChicagoMDW · 21:10
WN4978 by Southwest Airlines flies from Phoenix (PHX) to Chicago (MDW).
scheduled from PHX
Where the minutes go
last 3 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by PHX (Phoenix), currently flying MVFR (marginal visual). 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 →
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Phoenix to Chicago flights today
same route · Southwest AirlinesIf WN4978 is cancelled, these are the other Southwest Airlines nonstop flights from Phoenix to Chicago on the same day, with scheduled departure times in PHX local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How WN4978 actually runs
Pro Flight Search has tracked every published board update for WN4978 across the PHX and MDW boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: left heavily delayed (~81 min) but landed heavily delayed (~52 min). Not enough to call it.
The verdict above is that record speaking, so it reflects how WN4978 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as PHX and MDW published them.
Planning around WN4978? 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 — WN4978 Phoenix to Chicago on-time performance, measured from the PHX and MDW airport boards.
https://proflightsearch.com/flight/WN4978
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