STL → MDWSt Louis to Chicago

live

Direct flights from St Louis (STL) to Chicago (MDW): 7 nonstop departures observed each week across 1 airline. 100% of the last 10 operated flights arrived within 15 minutes of schedule. The median arrival is 5 minutes early. No cancellations were recorded across the 10 tracked flights. The nonstop covers 404 km, an estimated 1 hour 1 minutes in the air. Measured by Pro Flight Search from live flight boards at St Louis and Chicago. Updated 10 September 2026 at 03:26 UTC.

STL St Louis smooth · +5
MDW Chicago smooth · +5
404 km · ~1h 01m est.
dep bank 06:05–20:507x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
100% on time

of the last 10 operated STL → MDW flights arrived within 15 minutes

Median arrival delay is −5 min. 0 of 10 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−5 minacross the last 10 operated legs
Flight time~1h 01mestimated from route distance
Weekly departures7x1 direct airline on the leg
Cancelled0.0%recent route rate · 0 of 10

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 AirlinesWN100% on time

Flights WN2052 varies daily · WN4752 varies Su · WN2742 varies Su · WN3861 varies Mo Tu We Th Fr Sa

History

operated legs · board outcomes
09-09WN2052dep +13 → arr−3
09-09WN3861dep +9 → arr−8
09-09WN3862dep +6 → arr−11
09-09WN3864dep +18 → arr+3
09-09WN3865dep −2 → arr−25
09-08WN2052arrived−12
09-08WN3861arrived+0
09-08WN3862arrived−5
09-08WN3864arrived+4
09-08WN3865arrived−5

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 +5 min smooth 🌤 overcast · ENE 8 kt Full STL delay board →
MDWChicago +5 min smooth 🌤 scattered clouds · WSW 8 kt Full MDW delay board →

Weather lens

Current conditions put the pressure at STL and MDW: 44% odds of a 15+ minute delay and around +11 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the St Louis to Chicago route actually runs

Pro Flight Search records official board updates for nonstop STL to MDW 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 Chicago (MDW) route reliability, measured from operated flights on official airport boards.

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

STL to MDW questions

Is STL–MDW running on time right now?

Smooth skies ahead. Both endpoints currently score the same, route health score 90/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on STL–MDW?

Operators schedule evening departures around 18:15 from STL. Earlier flights typically land before destination-airport delays accumulate later in the day; check the MDW delay card to confirm conditions when you'd arrive.

How long is the flight from STL to MDW?

Great-circle distance is 404 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 59–65 min gate-to-gate on this route.

How often does STL–MDW fly?

Southwest Airlines runs the route with about 31 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.