Great-circle route MDW ↔ BWI. 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. The two directions are not identical — that is normal on scheduled routes.
| Direction | Frequency | Days | Airlines |
|---|---|---|---|
| MDW → BWI Chicago to Baltimore |
44/wk | Daily | Southwest Airlines |
| BWI → MDW Baltimore to Chicago |
41/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 470,555 passengers on 3,833 flights between MDW and BWI — about 1,290 a day — filling 74% of the 636,200 seats flown. Southwest Airlines Co. carried the most passengers (91%).
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 MDW–BWI nonstop.
Recent scheduled departures on this route have used the Boeing 737, Boeing 737-800.
Aircraft assignments change by season and by time of day.
The distance between Chicago Midway International Airport and Baltimore/Washington International Thurgood Marshall Airport is 609 miles, or 980 kilometres.
| Great-circle distance | 609 mi |
| Kilometres | 980 km |
| Nautical miles | 529 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 85 departures a week across both directions. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 1h 49m in the air. That is a great-circle estimate from the 609-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 44 a week from Chicago to Baltimore and 41 a week from Baltimore to Chicago, from our most recent schedule sample.
Southwest Airlines.
In 2025, airlines reported 470,555 passengers on 3,833 scheduled flights between MDW and BWI — about 1,290 a day — filling 74% of the seats flown. Source: US DOT T-100 segment reports, both directions combined.
Recent scheduled departures have used the Boeing 737, Boeing 737-800. Assignments change by season and by time of day.
