MDW → SDFChicago to Louisville

live

Direct flights from Chicago (MDW) to Louisville (SDF): 7 nonstop departures observed each week across 1 airline. 80% of the last 10 operated flights arrived within 15 minutes of schedule. The median arrival is 3 minutes early. No cancellations were recorded across the 10 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 23 October 2026 at 16:19 UTC.

Today, MDW → SDF

Fri 23 Oct · local times
  1. 07:55 WN2984Southwest Left 07:53 SDF est. 10:07In the air · sched 10:10
  2. 12:45 WN2985Southwest Airlines On scheduleGate B15 ·
  3. 18:55 WN4731Southwest Airlines On scheduleGate A18 ·

Checked MDW board 11:19 · SDF board 10:03

MDW Chicago smooth · +8
SDF Louisville smooth · +0
437 km · ~1h 04m est.
dep bank 07:50–18:557x weekly
Runs reliable · 1 airline · 7x weekly · nonstop
80% on time

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

Median arrival delay is −3 min. 0 of 10 tracked legs cancelled in the sample. Will a delayed flight be cancelled? →

Median arrival−3 minacross the last 10 operated legs
Flight time~1h 04mestimated 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 AirlinesWN89% on time

Flights WN2789 07:50 Tu We · WN2984 07:55 Mo Th Fr · WN1910 08:05 Sa · WN504 08:20 Su

History

operated legs · board outcomes
10-23WN2984dep −2 → arr−3
10-22WN2984dep −5 → arr−17
10-22WN2985dep +4 → arr−17
10-22WN4731dep +31 → arr+17
10-21JRE845arrived+63
10-21WN1082dep +13 → arr+3
10-21WN2789dep −5 → arr−17
10-21WN4731dep +0 → arr−17
10-20WN1082departed+5
10-20WN2789departed−8

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 +8 min smooth 🌤 clear · S 5 kt Full MDW delay board →
SDFLouisville +0 min smooth 🌤 clear · 6 kt Full SDF delay board →

Weather lens

Current conditions put the pressure at MDW and SDF: 41% 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 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?

Smooth skies ahead. The departure side at MDW is the weaker end, route health score 94/100. 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 07:50 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 20 flights a week (daily). Since one carrier owns the route, a single disruption tends to ripple through the day.