WN4258Southwest Airlines · MDW → HOU
live · 49m ago
Route confirmed Southwest Airlines

WN4258 ChicagoMDW · 10:05 HoustonHOU · 11:40

WN4258 by Southwest Airlines flies from Chicago (MDW) to Houston (HOU).

Same number through MDW → MEM → HOU

Right nowNext departure tomorrow Operates daily
10:05

scheduled from MDW

Typical gate push+5 minmedian posted departure

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
09-12
+3 gate
09-11
+3 gate
09-10
+5 gate
09-09
−7 gate
09-08
+2 gate
09-07
+10 gate
09-04
+22 gate

The 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 operation

0 cancelled · 8 operations tracked

The route today

live boards
MDWChicagoOn-time likelyMDW delay board →
HOUHoustonHigh riskHOU delay board →
MDW→HOUevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
47%Chance of 15+ min delay
1.7%Chance of cancellation
+12 minAvg hub delay right now

Conditions at MDW and HOU 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 Houston flights today

same route · Southwest Airlines
WN3745departs 09:55
WN4835departs 11:00
WN118departs 18:15
WN4267departs 18:15
WN4975departs 20:45

If WN4258 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Houston 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 WN4258 actually runs

Pro Flight Search has tracked every published board update for WN4258 across the MDW and HOU boards: schedule changes, gate pushes and actual clocks. Usually lands ~5 min early. Based on 7 confirmed landings · 7/7 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 WN4258 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
09-12MDW 10:05 10:08 (+3)HOU
09-11MDW 10:05 10:08 (+3)HOU
09-10MDW 10:05 10:10 (+5)HOU
09-09MDW 10:10 10:03 (−7)HOU
09-08MDW 10:10 10:12 (+2)HOU
09-07MDW 10:05 10:15 (+10)HOU
09-04MDW 10:05 10:27 (+22)HOU
09-03MDW 10:05 10:12 (+7)HOU

Aircraft

Recent tails: N8858K, N8525S, N255WN, N245WN.

Board clocks recorded as MDW and HOU 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 — WN4258 Chicago to Houston on-time performance, measured from the MDW and HOU airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4258
How we measure this →