Chicago (MDW) to Salt Lake City (SLC) flights
Southwest Airlines flies nonstop from Chicago Midway International Airport to Salt Lake City International Airport, with about 13 flights a week in July 2026. The 1,259-mile flight takes about 3h 24m gate to gate.
- Distance
- 1,259 mi · 2,026 km
- Flight time
- 3h 24m
- Airlines
- 1
- Seats filled
- 79%
Airlines flying MDW to SLC
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 13 | Boeing 737-800, Boeing 737 MAX 8, Boeing 737-700 / MAX 7 | 80,884 | 3h 24m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
MDW to SLC flight schedule
4 flight numbers flew this route in August 2026. The first usually leaves at 10:05am and the last at 8:45pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| WN 4803Southwest Airlines | 10:05am | 12:25pm | 16 | 63% |
| WN 377Southwest Airlines | 10:20am | 12:40pm | 12 | 58% |
| WN 274Southwest Airlines | 8:35pm | 11:00pm | 12 | 58% |
| WN 2833Southwest Airlines | 8:45pm | 11:10pm | 12 | 58% |
Is MDW to SLC on time?
From September 2025 to August 2026, 69% of 619 flights arrived within 15 minutes of schedule and 1.6% were cancelled. Flights leaving around 8am were the most punctual (81%), those around 10pm the least (46%). Most delay time was caused by late-arriving aircraft (50%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 619 | 69% | 15 min | 1.6% |
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 departure | Flights | On time, relative | On time |
|---|---|---|---|
| 7am to 8am | 73 | 74% | |
| 8am to 9am | 64 | 81% | |
| 10am to 11am | 174 | 74% | |
| 2pm to 3pm | 28 | 79% | |
| 8pm to 9pm | 78 | 74% | |
| 9pm to 10pm | 120 | 56% | |
| 10pm to 11pm | 40 | 46% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 55 | 7,844 | |
| September 2025 | 56 | 8,348 | |
| October 2025 | 57 | 7,883 | |
| November 2025 | 33 | 3,354 | |
| December 2025 | 42 | 5,396 | |
| January 2026 | 38 | 4,531 | |
| February 2026 | 46 | 5,576 | |
| March 2026 | 57 | 7,561 | |
| April 2026 | 55 | 7,184 | |
| May 2026 | 57 | 7,836 | |
| June 2026 | 56 | 7,630 | |
| July 2026 | 57 | 7,741 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.