Great-circle route SLC ↔ MDW. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
Frequencies below are per direction, from our most recent schedule sample.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| SLC → MDW Salt Lake City to Chicago |
13/wk | Daily | Southwest Airlines |
| MDW → SLC Chicago to Salt Lake City |
13/wk | Daily | Southwest Airlines |
Where a direction shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
In 2025, airlines reported 169,430 passengers on 1,268 flights between SLC and MDW — about 464 a day — filling 78% of the 216,236 seats flown. Southwest Airlines Co. carried the most passengers (100%).
Source: US DOT T-100 segment reports — actual airline-reported traffic, scheduled service only, both directions combined. Cargo and charter flights excluded.
Southwest Airlines is the only airline flying the SLC–MDW nonstop.
Recent scheduled departures on this route have used the Boeing 737-800, Boeing 737.
Aircraft assignments change by season and by time of day.
The distance between Salt Lake City International Airport and Chicago Midway International Airport is 1,255 miles, or 2,020 kilometres.
| Great-circle distance | 1,255 mi |
| Kilometres | 2,020 km |
| Nautical miles | 1,091 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. Southwest Airlines flies the route nonstop, with about 26 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 3h 03m in the air. That is a great-circle estimate from the 1,255-mile distance, not a scheduled block time — an airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
About 13 a week from Salt Lake City to Chicago and 13 a week from Chicago to Salt Lake City, from our most recent schedule sample.
Southwest Airlines.
In 2025, airlines reported 169,430 passengers on 1,268 scheduled flights between SLC and MDW — about 464 a day — filling 78% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Boeing 737-800, Boeing 737. Assignments change by season and by time of day.
