WN4239Southwest Airlines · MDW → MCI
live · 8m ago
Route confirmed Southwest Airlines

WN4239 ChicagoMDW · 09:20 Kansas CityMCI · 10:45

WN4239 by Southwest Airlines flies from Chicago (MDW) to Kansas City (MCI) for the Sun, Sep 13 departure.

Right nowScheduled · gate B10
09:20

departs MDW · on schedule

Typical gate push−1 minmedian posted departure
Typical arrival+1 minmedian over 2 operations

The route today

live boards
MDWChicagoModerate riskMDW delay board →
MCIKansas CityHigh riskMCI delay board →
MDW→MCIevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
46%Chance of 15+ min delay
2.2%Chance of cancellation
+12 minAvg hub delay right now

Conditions at MDW and MCI 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 →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Chicago to Kansas City flights today

same route · Southwest Airlines
WN8500departs 05:00
WN2807departs 06:20
WN2754departs 07:30
WN2755departs 07:45
WN615departs 10:40
WN1180departs 12:00

If WN4239 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Kansas City on the same day, with scheduled departure times in MDW local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4239 actually runs

Pro Flight Search has tracked every published board update for WN4239 across the MDW and MCI boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +1 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how WN4239 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
09-09MDW 07:15 07:14 (−1)MCI 08:40 08:41 (+1)
09-08MDW MCI 08:40 08:25 (−15)

Board clocks recorded as MDW and MCI published them.

Planning around WN4239? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — WN4239 Chicago to Kansas City on-time performance, measured from the MDW and MCI airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4239
How we measure this →