WN4866Southwest Airlines · MDW → OKC
live · 37m ago
Route confirmed Southwest Airlines

WN4866 ChicagoMDW · 20:55 Oklahoma CityOKC · 23:00

WN4866 by Southwest Airlines flies from Chicago (MDW) to Oklahoma City (OKC) for the Fri, Sep 11 departure.

Right nowScheduled · gate B1 · as of 07:38
20:55

departs MDW · on schedule

Typical gate push+102 minmedian posted departure
Typical arrival+62 minmedian over 5 operations
Wins back in air~40 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 5 operations · gate push → arrival
0+40+80+120 min
09-11
+113 arrival
09-10
+120 gate · +113 arrival
09-09
−2 gate · −10 arrival
09-08
−1 gate · −18 arrival
09-07
+102 gate · +62 arrival

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

median arrival +62 min · 0 cancelled · 5 operations tracked

The route today

live boards
MDWChicagoOn-time likelyMDW delay board →
OKCOklahoma CityOn-time likelyOKC delay board →
MDW→OKCevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
43%Chance of 15+ min delay
1.4%Chance of cancellation
+11 minAvg hub delay right now

Conditions at MDW and OKC 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 Oklahoma City flights today

same route · Southwest Airlines
WN4799departs 10:10
WN1953departs 10:15
WN2497departs 10:35
WN3433departs 11:15
WN464departs 18:25

If WN4866 is cancelled, these are the other Southwest Airlines nonstop flights from Chicago to Oklahoma 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 WN4866 actually runs

Pro Flight Search has tracked every published board update for WN4866 across the MDW and OKC boards: schedule changes, gate pushes and actual clocks. Usually lands ~113 min late. Based on 4 confirmed landings · 2/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how WN4866 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
09-11MDW 20:55OKC 23:00 00:53 (+113)
09-10MDW 20:55 22:55 (+120)OKC 23:00 00:53 (+113)
09-09MDW 20:20 20:18 (−2)OKC 22:25 22:15 (−10)
09-08MDW 20:20 20:19 (−1)OKC 22:25 22:07 (−18)
09-07MDW 20:55 22:37 (+102)OKC 23:00 00:02 (+62)

Aircraft

Recent tails: N7885A, N7832A, N7741C, N234WN.

Board clocks recorded as MDW and OKC 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 — WN4866 Chicago to Oklahoma City on-time performance, measured from the MDW and OKC airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4866
How we measure this →