WN4339Southwest Airlines · BWI → MKE
live · 1h ago
Route confirmed Southwest Airlines

WN4339 BaltimoreBWI · 22:35 MilwaukeeMKE · 23:50

WN4339 by Southwest Airlines flies from Baltimore (BWI) to Milwaukee (MKE) for the Fri, Oct 30 departure.

Right nowAwaiting arrival in Milwaukee · off blocks 23:53 · 78 min late
00:47

estimated arrival at MKE · local time · past this estimate · waiting on the board

En routeWN4339 · position estimated
BWIBaltimoreMKEMilwaukee
Estimated from the boardsarr 00:47

Board estimate · gate and arrival times. Off blocks 23:53.

⚖ WN4339 typically leaves +47 and lands +4. The air wins minutes back.
Typical gate push+47 minmedian posted departure
Typical arrival+4 minmedian over 11 operations
Wins back in air~43 minmedian gate push vs arrival · how planes make up time → Cancellation0 in 11tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-31
+78 gate · +57 arrival
10-30
+78 gate · −36 arrival
10-29
+3 gate · −37 arrival
10-28
+10 gate · −25 arrival
10-27
+44 gate · +9 arrival
10-26
+27 gate · −18 arrival
10-25
+54 gate · +7 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 +4 min · 0 cancelled · 11 operations tracked

The route today

live boards
BWIBaltimoreOn-time likelyBWI delay board →
MKEMilwaukeeOn-time likelyMKE delay board →
BWI→MKEevery 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
+10 minTypical airport delay in this weather

Conditions at BWI and MKE are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow on this route

Forecast

Baltimore to Milwaukee with Southwest Airlines · Sun 1 Nov, local date

Outlook: about usual
Chance a departure leaves 60+ min late
7.9%0.8× usual

No cancellation outlook here: this airport's board does not publish cancellations reliably.

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 3 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 Milwaukee flights today

same route · Southwest Airlines
WN1086departs 09:40
WN1912departs 10:55
WN2171departs 11:15
WN1943departs 15:20
WN766departs 15:35
WN2872departs 16:15

If WN4339 is cancelled, these are the other Southwest Airlines nonstop flights from Baltimore to Milwaukee on the same day, with scheduled departure times in BWI local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How WN4339 actually runs

Pro Flight Search has tracked every published board update for WN4339 across the BWI and MKE boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 8 confirmed landings · 6/8 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 WN4339 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
10-31BWI 22:35 23:53 (+78)MKE 23:50 00:47 (+57)
10-30BWI 22:35 23:53 (+78)MKE 23:50 23:14 (−36)
10-29BWI 22:35 22:38 (+3)MKE 23:50 23:13 (−37)
10-28BWI 21:15 21:25 (+10)MKE 22:20 21:55 (−25)
10-27BWI 21:15 21:59 (+44)MKE 22:20 22:29 (+9)
10-26BWI 22:35 23:02 (+27)MKE 23:50 23:32 (−18)
10-25BWI 22:20 23:14 (+54)MKE 23:35 23:42 (+7)
10-24BWI 20:25 20:31 (+6)MKE 21:30 21:02 (−28)
10-23BWI 22:35 23:22 (+47)MKE 23:50 23:54 (+4)
10-18BWI 22:20 00:20 (+120)MKE 23:35 00:41 (+66)
10-17BWI 20:25 21:18 (+53)MKE 21:30 21:46 (+16)

Aircraft

Recent tails: N213WN, N960WN, N254WN, N9028R.

Board clocks recorded as BWI and MKE published them.

Planning around WN4339? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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: WN4339 Baltimore to Milwaukee on-time performance, measured from the BWI and MKE airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4339
How we measure this →