SDF → MDWLouisville to Chicago

live

Direct flights from Louisville (SDF) to Chicago (MDW): 7 nonstop departures observed each week across 1 airline. 56% of the last 9 operated flights arrived within 15 minutes of schedule. The median arrival is 3 minutes late. 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 Louisville and Chicago. Updated 17 October 2026 at 19:03 UTC.

Today, SDF → MDW

Sat 17 Oct · local times
JRE631flyExclusiveIn the air, 18 min late

Left SDF at 09:03, 18 min after its 08:45 slot.

  1. 08:45 JRE631flyExclusive Left 09:03 +18 ·
  2. 09:25 WN2324Southwest Airlines Left 09:41 +16 Landed 09:36 −4
  3. 17:05 WN1159Southwest Airlines On schedule MDW 17:25scheduled

Checked SDF board 15:03 · MDW board 13:55

SDF Louisville busy · +18
MDW Chicago smooth · +0
437 km · ~1h 04m est.
dep bank 08:20–20:257x weekly
Runs rough · 1 airline · 7x weekly · nonstop
56% on time

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

Median arrival delay is +3 min. 0 of 9 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival+3 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 AirlinesWN63% on time

Flights WN4591 varies Mo Tu We Th Fr Su · WN2324 09:25 Sa · WN3502 14:05 Tu We · WN393 15:25 Su

History

operated legs · board outcomes
10-17JRE631departed+18
10-17WN2324dep +16 → arr−4
10-16WN2406dep +42 → arr+25
10-16WN3748dep +27 → arr+0
10-16WN4591dep +14 → arr−5
10-15WN2406dep +56 → arr+50
10-15WN3748dep +54 → arr+32
10-15WN4591dep +21 → arr+3
10-14WN2130arrived−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
SDFLouisville +18 min busy 🌤 scattered clouds · N 11 kt Full SDF delay board →
MDWChicago +0 min smooth 🌤 scattered clouds · 4 kt Full MDW delay board →

Weather lens

Current conditions put the pressure at SDF and MDW: 42% odds of a 15+ minute delay and around +9 min expected when it bites, measured from this route's own weather-matched delay history. See live delays → · Weather risk by airport →

How the Louisville to Chicago route actually runs

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

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

SDF to MDW questions

Is SDF–MDW running on time right now?

Smooth skies ahead. The departure side at SDF is the weaker end, route health score 88/100. The airports section above carries the live status and delay window at both ends.

Morning or evening flight on SDF–MDW?

Operators schedule morning departures around 09:25 and evening departures around 17:05 from SDF. 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 SDF to MDW?

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 SDF–MDW fly?

Southwest Airlines runs the route with about 20 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.