WN4477Southwest Airlines · DTW → MDW
live · 36m ago
Route confirmed Southwest Airlines

WN4477 DetroitDTW · 15:09 ChicagoMDW · 14:55

WN4477 by Southwest Airlines flies from Detroit (DTW) to Chicago (MDW).

Right nowNext departure today Operates daily
12:40

scheduled from DTW

Typical gate push+70 minmedian posted departure
Typical arrival+49 minmedian over 6 operations
Wins back in air~21 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
10-12
+27 gate · +26 arrival
10-09
+72 gate · +49 arrival
10-08
+70 gate · +51 arrival
10-05
+28 gate · +6 arrival
10-02
+64 gate · +40 arrival
10-01
+74 gate · +55 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 +49 min · 0 cancelled · 6 operations tracked

The route today

live boards
DTWDetroitOn-time likelyDTW delay board →
MDWChicagoOn-time likelyMDW delay board →
DTW→MDWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
31%Chance of 15+ min delay
2.8%Chance of cancellation
+14 minAvg hub delay right now

Driven mainly by MDW (Chicago), 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 departures
061422
M
T
W
T
F
S
S

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

Other Detroit to Chicago flights today

same route · Southwest Airlines
WN385departs 08:05
WN1845departs 08:10
WN3435departs 14:05
WN1848departs 14:25
WN863departs 17:55
WN1582departs 19:30

If WN4477 is cancelled, these are the other Southwest Airlines nonstop flights from Detroit to Chicago on the same day, with scheduled departure times in DTW local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4477 actually runs

Pro Flight Search has tracked every published board update for WN4477 across the DTW and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands ~49 min late. Based on 6 confirmed landings · 1/6 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 WN4477 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
10-12DTW 15:09 15:36 (+27)MDW 14:55 15:21 (+26)
10-09DTW 14:45 15:57 (+72)MDW 14:55 15:44 (+49)
10-08DTW 14:45 15:55 (+70)MDW 14:55 15:46 (+51)
10-05DTW 14:45 15:13 (+28)MDW 14:55 15:01 (+6)
10-02DTW 14:45 15:49 (+64)MDW 14:55 15:35 (+40)
10-01DTW 14:45 15:59 (+74)MDW 14:55 15:50 (+55)

Aircraft

Recent tails: N266WN, N206WN, N913WN, N931WN.

Board clocks recorded as DTW and MDW 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 — WN4477 Detroit to Chicago on-time performance, measured from the DTW and MDW airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4477
How we measure this →