MKE → STLMilwaukee to St Louis

live

Direct flights from Milwaukee (MKE) to St Louis (STL): 7 nonstop departures observed each week across 1 airline. 86% of the last 14 operated flights arrived within 15 minutes of schedule. The median arrival is 8 minutes early. No cancellations were recorded across the 14 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 Milwaukee and St Louis. Updated 17 September 2026 at 11:33 UTC.

MKE Milwaukee smooth · +8
STL St Louis smooth · +2
511 km · ~1h 09m est.
dep bank 06:15–16:507x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
86% on time

of the last 14 operated MKE → STL flights arrived within 15 minutes

Median arrival delay is −8 min. 0 of 14 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−8 minacross the last 14 operated legs
Flight time~1h 09mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 14

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 AirlinesWN92% on time

Flights WN868 06:15 Sa · WN2955 08:00 Mo Th Fr Su · WN2890 varies Tu We · WN2891 16:25 Tu We

History

operated legs · board outcomes
09-16WN2890dep +50 → arr+29
09-16WN2891dep +19 → arr−8
09-15WN2890dep +0 → arr−6
09-15WN2891dep +2 → arr−29
09-14WN1766dep +19 → arr+0
09-14WN2955dep +7 → arr−14
09-13WN1949dep +26 → arr+0
09-13WN2955dep +4 → arr−20
09-12LF650dep +80 → arr+83
09-12WN868dep +12 → arr−13
09-11WN1766dep +18 → arr−4
09-11WN2955dep +7 → arr−13
09-10WN1766dep +13 → arr−9
09-10WN2955dep +5 → arr−18

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
MKEMilwaukee +8 min smooth 🌫 clear · N 0 kt Full MKE delay board →
STLSt Louis +2 min smooth 🌤 few clouds · SW 8 kt Full STL delay board →

Weather lens

Current conditions put the pressure at MKE: 58% odds of a 15+ minute delay and around +32 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Milwaukee to St Louis route actually runs

Pro Flight Search records official board updates for nonstop MKE to STL 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 — Milwaukee (MKE) to St Louis (STL) route reliability, measured from operated flights on official airport boards.

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

MKE to STL questions

Is MKE–STL running on time right now?

Some delays possible. The departure side at MKE is the weaker end, route health score 56/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on MKE–STL?

Operators schedule morning departures around 06:15 from MKE. Earlier flights typically land before destination-airport delays accumulate later in the day; check the STL delay card to confirm conditions when you'd arrive.

How long is the flight from MKE to STL?

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 MKE–STL fly?

Southwest Airlines runs the route with about 12 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.