WN4002Southwest Airlines · BWI → MDW
live · 11m ago
Route confirmed Southwest Airlines

WN4002 BaltimoreBWI · 19:45 ChicagoMDW · 20:50

WN4002 by Southwest Airlines flies from Baltimore (BWI) to Chicago (MDW) for the Wed, Sep 9 departure.

Right nowExpected in Chicago · today
20:50

arrival expected at MDW · on schedule

Typical gate push+26 minmedian posted departure
Typical arrival+55 minmedian over 4 operations

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
09-09
+22 gate
09-08
+22 gate · −6 arrival
09-07
+75 gate · +55 arrival
09-04
+82 gate · +64 arrival
09-03
+26 gate · +6 arrival
09-02
CANCELLED

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 +55 min · 1 cancelled · 6 operations tracked

The route today

live boards
BWIBaltimoreOn-time likelyBWI delay board →
MDWChicagoOn-time likelyMDW delay board →
BWI→MDWevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
41%Chance of 15+ min delay
1.0%Chance of cancellation
+11 minAvg hub delay right now

Conditions at BWI and MDW 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 Baltimore to Chicago flights today

same route · Southwest Airlines
WN991departs 06:30
WN769departs 06:35
WN4094departs 08:00
WN992departs 08:25
WN4504departs 09:05
WN1195departs 13:10

If WN4002 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to Chicago on the same day, with scheduled departure times in BWI local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WN4002 actually runs

Pro Flight Search has tracked every published board update for WN4002 across the BWI and MDW boards: schedule changes, gate pushes and actual clocks. Usually lands ~55 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 WN4002 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
09-09BWI 19:45 20:07 (+22)MDW 20:50
09-08BWI 19:45 20:07 (+22)MDW 20:50 20:44 (−6)
09-07BWI 17:20 18:35 (+75)MDW 18:15 19:10 (+55)
09-04BWI 17:20 18:42 (+82)MDW 18:15 19:19 (+64)
09-03BWI 17:20 17:46 (+26)MDW 18:15 18:21 (+6)
09-02CANCELLED

Aircraft

Recent tails: N8832H, N7886A, N227WN, N456WN.

Board clocks recorded as BWI 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 — WN4002 Baltimore to Chicago on-time performance, measured from the BWI and MDW airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4002
How we measure this →