WN4250Southwest Airlines · MDW → RDU
live · 30m ago
Route confirmed Southwest Airlines

WN4250 ChicagoMDW · 08:05 Raleigh/DurhamRDU · 11:05

WN4250 by Southwest Airlines flies from Chicago (MDW) to Raleigh/Durham (RDU).

Right nowNext departure tomorrow Operates daily
07:40

scheduled from MDW

Typical gate push−2 minmedian posted departure
Typical arrival−15 minmedian over 4 operations
Wins back in air~13 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
09-14
−5 gate · −30 arrival
09-13
−5 gate · −30 arrival
09-12
−2 gate · −15 arrival
09-05
+6 gate · −13 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
MDWChicagoOn-time likelyMDW delay board →
RDURaleigh/DurhamOn-time likelyRDU delay board →
MDW→RDUevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
42%Chance of 15+ min delay
2.2%Chance of cancellation
+11 minAvg hub delay right now

Conditions at MDW and RDU 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 Raleigh/Durham flights today

same route · Southwest Airlines
WN4262departs 08:35
WN813departs 08:50
WN1544departs 12:10
WN2806departs 12:50
WN2805departs 14:40
WN1961departs 14:45

If WN4250 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Raleigh/Durham 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 WN4250 actually runs

Pro Flight Search has tracked every published board update for WN4250 across the MDW and RDU boards: schedule changes, gate pushes and actual clocks. Usually lands ~13 min early. Based on 4 confirmed landings · 4/4 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 WN4250 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
09-14MDW 08:05 08:00 (−5)RDU 11:05 10:35 (−30)
09-13MDW 08:05 08:00 (−5)RDU 11:05 10:35 (−30)
09-12MDW 07:40 07:38 (−2)RDU 10:35 10:20 (−15)
09-05MDW 07:40 07:46 (+6)RDU 10:35 10:22 (−13)

Aircraft

Recent tails: N240WN, N8573Z, N8964L.

Board clocks recorded as MDW and RDU published them.

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 — WN4250 Chicago to Raleigh/Durham on-time performance, measured from the MDW and RDU airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4250
How we measure this →