MDW → SDFChicago to Louisville

live

Direct flights from Chicago (MDW) to Louisville (SDF): 7 nonstop departures observed each week across 1 airline. 78% of the last 9 operated flights arrived within 15 minutes of schedule. The median arrival is 15 minutes early. No cancellations were recorded across the 9 tracked flights. The nonstop covers 437 km, an estimated 1 hour 4 minutes in the air. Measured by Pro Flight Search from live flight boards at Chicago and Louisville. Updated 11 September 2026 at 02:38 UTC.

MDW Chicago heavy · +31
SDF Louisville smooth · +0
437 km · ~1h 04m est.
dep bank 08:00–18:207x weekly
Runs mixed · 1 airline · 7x weekly · nonstop
78% on time

of the last 9 operated MDW → SDF flights arrived within 15 minutes

Median arrival delay is −15 min. 0 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−15 minacross the last 9 operated legs
Flight time~1h 04mestimated from route distance
Weekly departures7x1 direct airline on the leg

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 AirlinesWN78% on time

Flights WN447 08:00 Mo Th Fr · WN314 09:00 Tu We Sa · WN1704 13:00 Tu We · WN1357 18:10 Mo Th Fr

History

operated legs · board outcomes
09-10WN1357dep +98 → arr+78
09-10WN447dep +1 → arr−15
09-09WN1704dep −4 → arr−16
09-09WN2824dep −4 → arr−26
09-09WN314dep +0 → arr−10
09-08WN1704dep −5 → arr−22
09-08WN2824dep +29 → arr−1
09-08WN314dep −4 → arr−16
09-07WN1357departed+27

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
MDWChicago +31 min heavy 🌤 clear · SSE 4 kt Full MDW delay board →
SDFLouisville +0 min smooth 🌤 scattered clouds · N 5 kt Full SDF delay board →

Weather lens

Current conditions put the pressure at MDW and SDF: 43% 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 Chicago to Louisville route actually runs

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

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

MDW to SDF questions

Is MDW–SDF running on time right now?

Mostly on schedule. The departure side at MDW is the weaker end, route health score 79/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on MDW–SDF?

Operators schedule morning departures around 08:00 and evening departures around 18:10 from MDW. Earlier flights typically land before destination-airport delays accumulate later in the day; check the SDF delay card to confirm conditions when you'd arrive.

How long is the flight from MDW to SDF?

Great-circle distance is 437 km. With typical jet cruise speed plus taxi, climb and descent, expect roughly 61–67 min gate-to-gate on this route.

How often does MDW–SDF fly?

Southwest Airlines runs the route with about 15 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.