WN4575Southwest Airlines · MKE → PHX
live · 23m ago
Route confirmed Southwest Airlines

WN4575 MilwaukeeMKE PhoenixPHX

WN4575 by Southwest Airlines flies from Milwaukee (MKE) to Phoenix (PHX).

Right nowNext departure today Operates daily
20:15

scheduled from MKE

The route today

live boards
MKEMilwaukeeOn-time likelyMKE delay board →
PHXPhoenixOn-time likelyPHX delay board →
MKE→PHXevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
0.6%Chance of cancellation
+7 minTypical airport delay in this weather

Conditions at MKE and PHX 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 at Milwaukee

Forecast

Fri 13 Nov, local date

High6°Clikely 5°C to 7°C
Low1°Clikely −1°C to 2°C

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

Tomorrow at Phoenix

Forecast

Fri 13 Nov, local date

High24°Clikely 21°C to 26°C
Low17°Clikely 16°C to 19°C
  • 78% chance of rain

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · 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 Milwaukee to Phoenix flights today

same route · Southwest Airlines
WN4694departs 05:00
WN1177departs 08:55
WN2566departs 10:25
WN1078departs 12:10
WN1140departs 15:40
WN3514departs 20:50

If WN4575 is cancelled, these are the other Southwest Airlines nonstop flights from Milwaukee to Phoenix on the same day, with scheduled departure times in MKE 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 WN4575 actually runs

Pro Flight Search has tracked every published board update for WN4575 across the MKE and PHX boards: schedule changes, gate pushes and actual clocks. Combined risk score: 50.0/100. Based on airport operations, weather, and cached board history at MKE and PHX.

The verdict above is that record speaking, so it reflects how WN4575 operates rather than what the timetable promises. Numbers refresh as new flights operate.

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: WN4575 Milwaukee to Phoenix on-time performance, measured from the MKE and PHX airport boards.

Canonical URL
https://proflightsearch.com/flight/WN4575
How we measure this →