STL → MKESt Louis to Milwaukee

live

Direct flights from St Louis (STL) to Milwaukee (MKE): 14 nonstop departures observed each week across 1 airline. 84% of the last 19 tracked flights arrived within 15 minutes of schedule. The median arrival is 13 minutes early. No cancellations were recorded across the 19 tracked flights. The nonstop covers 511 km, an estimated 1 hour 9 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Milwaukee. Updated 30 October 2026 at 11:33 UTC.

Today, STL → MKE

Fri 30 Oct · local times
  1. 08:30 WN270Southwest On scheduleT2 MKE 09:45scheduled

Checked STL board 06:18 · MKE board 06:33

STL St Louis smooth · +3
MKE Milwaukee smooth · +0
511 km · ~1h 09m est.
dep bank 08:25–22:0014x weekly
Runs reliable · 1 airline · 14x weekly · nonstop
84% on time

of the last 19 tracked STL → MKE flights arrived within 15 minutes

Median arrival delay is −13 min. 0 of 19 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−13 minacross the last 19 arrivals
Flight time~1h 09mestimated from route distance
Weekly departures14x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 19

The week

scheduled departures · origin local time
06121824
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Southwest Airlines

Each mark is a scheduled departure at its origin-local time, observed operating in the last 7 days. Today is highlighted.

Who flies it

observed on the boards · 7 days
Southwest AirlinesWN79% on time

Flights WN2258 08:25 Su · WN270 08:30 Mo Th Fr Sa · WN381 08:30 Tu We · WN4344 13:45 Sa

History

operated legs · board outcomes
10-29SY8148dep +19 → arr+0
10-29WN1561dep +22 → arr−10
10-29WN270dep +120 → arr+97
10-281I502dep −2 → arr+6
10-28KII124dep +9 → arr+0
10-28WN1561dep +12 → arr−20
10-28WN381dep +5 → arr−21
10-27WN1561dep +5 → arr−28
10-27WN381dep +15 → arr−15
10-27WUP688dep +4 → arr+0
10-26WN1561dep +91 → arr+58
10-26WN270dep +17 → arr−13
10-25WN2258dep +1 → arr−21
10-25WN2383dep +16 → arr−17
10-24WN270dep +6 → arr−17
10-24WN4344dep +4 → arr−21
10-231I799dep −1 → arr+4
10-23WN1561dep +5 → arr−24
10-23WN270dep +47 → arr+28

Actual board outcomes rather than schedules, paired departure and arrival per flight and day.

Full board history, day by day →

Airports right now

live boards
STLSt Louis +3 min smooth 🌤 mostly cloudy · E 7 kt Full STL delay board →
MKEMilwaukee +0 min smooth 🌤 mostly cloudy · WNW 3 kt Full MKE delay board →

Weather lens

Conditions are tightest at STL and MKE: a 44% chance of a 15+ minute delay. In this weather, the more delayed of the two airports is typically about +11 min. Both figures come from the two airports' delay records in similar weather. See live delays → · Weather risk by airport →

How the St Louis to Milwaukee route actually runs

Pro Flight Search records official board updates for nonstop STL to MKE flights through the day: schedules, estimates, gate pushes and actual departures. The verdict above comes from operated flights, so it reflects what this route does rather than what the timetable promises.

Planning around a delay? Live airport delays · Weather delay risk map · 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: St Louis (STL) to Milwaukee (MKE) route reliability, measured from operated flights on official airport boards.

Canonical URL
https://proflightsearch.com/search-flights/STL-MKE
How we measure this →

STL to MKE questions

Is STL–MKE running on time right now?

Smooth skies ahead. The departure side at STL is the weaker end, route health score 96/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on STL–MKE?

Operators schedule morning departures around 08:25 and evening departures around 21:50 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the MKE delay card to confirm conditions when you'd arrive.

How long is the flight from STL to MKE?

Great-circle distance is 511 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 66–74 min gate-to-gate on this route.

How often does STL–MKE fly?

Southwest Airlines runs the route with about 14 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.