Chicago (MDW) to Las Vegas (LAS) flights

Southwest Airlines flies nonstop from Chicago Midway International Airport to Harry Reid International Airport, with about 44 flights a week in July 2026. The 1,521-mile flight takes about 3h 47m gate to gate.

From
MDW
Chicago
Chicago Midway International Airport
To
LAS
Las Vegas
Harry Reid International Airport
Distance
1,521 mi · 2,448 km
Flight time
3h 47m
Airlines
1
Seats filled
88%
Flights a week, July 2026
2,257 flights and 340,887 passengers in 12 months
LASLASMDW
Map data: Natural Earth. Lines follow the shortest (great-circle) path.

Airlines flying MDW to LAS

AirlineFlights a weekAircraftPassengers (12 months)Flight time
Southwest Airlines44Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7340,8873h 47m

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

MDW to LAS flight schedule

11 flight numbers flew this route in August 2026, 4 of them almost daily. The first usually leaves at 6:40am and the last at 8:50pm. Times are local and can change; check with the airline before you book.

FlightDepartsArrivesDays flown in August 2026On time (12 months)
WN 2723Southwest Airlines6:40am8:30am1894%
WN 2740Southwest Airlines6:50am8:35am16100%
WN 776Southwest Airlines8:50am10:45am1292%
WN 1793Southwest Airlines9:00am10:55am4n/a
WN 2741Southwest Airlines10:00am11:50am2387%
WN 578Southwest Airlines10:20am12:05pm8n/a
WN 2742Southwest Airlines11:10am12:55pm2471%
WN 3523Southwest Airlines2:10pm4:00pm6n/a
WN 4233Southwest Airlines4:00pm5:50pm2058%
WN 4234Southwest Airlines7:40pm9:30pm4n/a
WN 4645Southwest Airlines8:50pm10:40pm2065%

Is MDW to LAS on time?

From September 2025 to August 2026, 76% of 2,236 flights arrived within 15 minutes of schedule and 0.9% were cancelled. Flights leaving around 5am were the most punctual (92%), those around 6pm the least (57%). Most delay time was caused by late-arriving aircraft (40%).

AirlineFlightsOn timeAverage delayCancelled
Southwest Airlines2,23476%14 min0.9%

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
5am to 6am164
92%
6am to 7am184
91%
7am to 8am189
86%
8am to 9am135
89%
9am to 10am137
84%
10am to 11am171
83%
11am to 12pm115
78%
12pm to 1pm131
84%
1pm to 2pm84
71%
2pm to 3pm92
70%
3pm to 4pm135
62%
4pm to 5pm132
61%
5pm to 6pm102
73%
6pm to 7pm119
57%
7pm to 8pm73
73%
8pm to 9pm155
61%
9pm to 10pm101
55%

Flights by month

MonthFlightsFlights, relativePassengers
August 2025216
31,793
September 2025213
31,810
October 2025211
32,284
November 2025169
25,146
December 2025186
28,191
January 2026160
23,187
February 2026138
21,087
March 2026192
29,762
April 2026191
27,528
May 2026202
31,196
June 2026187
28,854
July 2026194
30,264

Related

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