Louisville (SDF) to Chicago (MDW) flights

Southwest Airlines flies nonstop from Louisville Muhammad Ali International Airport to Chicago Midway International Airport, with about 21 flights a week in July 2026. The 271-mile flight takes about 1h 10m gate to gate.

From
SDF
Louisville
Louisville Muhammad Ali International Airport
To
MDW
Chicago
Chicago Midway International Airport
Distance
271 mi · 436 km
Flight time
1h 10m
Airlines
1
Seats filled
63%
Flights a week, July 2026
971 flights and 93,417 passengers in 12 months
MDWMDWSDF
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying SDF to MDW

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Southwest Airlines21Boeing 737-700 / MAX 7, Boeing 737 MAX 8, Boeing 737-80093,4171h 10m

Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.

SDF to MDW flight schedule

7 flight numbers flew this route in August 2026, 2 of them almost daily. The first usually leaves at 9:00am and the last at 7:25pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
WN 3522Southwest Airlines9:00am9:15am2889%
WN 3523Southwest Airlines1:15pm1:30pm6n/a
WN 2386Southwest Airlines2:15pm2:30pm1292%
WN 704Southwest Airlines2:45pm2:55pm4n/a
WN 4370Southwest Airlines4:55pm5:15pm4n/a
WN 4503Southwest Airlines7:10pm7:25pm2080%
WN 3575Southwest Airlines7:25pm7:40pm4n/a

Is SDF to MDW on time?

From September 2025 to August 2026, 84% of 976 flights arrived within 15 minutes of schedule and 1.6% were cancelled. Flights leaving around 8am were the most punctual (92%), those around 7pm the least (76%). Most delay time was caused by late-arriving aircraft (49%).

AirlineFlightsOn timeAverage delayCancelled
Southwest Airlines97684%11 min1.6%

Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.

On-time arrivals by departure time

Scheduled departureFlightsOn time, relativeOn time
6am to 7am162
89%
7am to 8am23
96%
8am to 9am150
92%
9am to 10am25
79%
11am to 12pm39
84%
1pm to 2pm76
87%
2pm to 3pm67
82%
3pm to 4pm57
79%
4pm to 5pm49
81%
6pm to 7pm44
89%
7pm to 8pm145
76%
8pm to 9pm125
77%

Flights by month

MonthFlightsFlights, relativePassengers
August 202590
9,304
September 202586
10,556
October 202587
9,548
November 202573
5,975
December 202578
5,509
January 202662
4,192
February 202656
4,340
March 202689
8,256
April 202687
7,892
May 202684
8,132
June 202687
9,606
July 202693
10,226

Related

Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.