Great-circle route ORD → BWI. Faint dots are other airports, for geographic context. Download this map — free to reuse with a link back to this page.
The flight time from Chicago to Baltimore is approximately 1h 50m nonstop. The distance is 620 miles (998 km). There are about 14 nonstop flights from Chicago to Baltimore per day.
That is a great-circle estimate, not a scheduled block time. An airline's published time will differ by roughly 15 to 45 minutes depending on routing, winds and taxi.
| Route | Est. time | Distance | Frequency | Airlines |
|---|---|---|---|---|
| ORD → BWI Chicago O'Hare International Airport to Baltimore/Washington International Thurgood Marshall Airport |
1h 50m | 620 mi | 55/wk | American Airlines, United Airlines |
| MDW → BWI Chicago Midway International Airport to Baltimore/Washington International Thurgood Marshall Airport |
1h 49m | 609 mi | 44/wk | Southwest Airlines |
Frequencies come from our most recent schedule sample. Where a pairing shows “—” we track it as an operating nonstop but hold no schedule sample for it — we would rather show nothing than guess.
3 airlines fly nonstop from Chicago to Baltimore, including American Airlines, Southwest Airlines, United Airlines.
Recent scheduled departures on this route have used the Airbus A319, Embraer 170, Boeing 737, Boeing 737-800 and 4 other types.
Aircraft assignments change by season and by time of day.
The distance from Chicago to Baltimore is 620 miles, or 998 kilometres.
| Great-circle distance | 620 mi |
| Kilometres | 998 km |
| Nautical miles | 539 nmi |
Measured airport to airport. The actual track is longer — aircraft follow airways, avoid restricted airspace and route around weather.
Yes. 3 airlines fly it nonstop, with about 99 departures a week, across 2 airport pairings. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 1h 50m in the air on the ORD–BWI nonstop. That is a great-circle estimate from the 620-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.
620 miles (998 km) great-circle between Chicago O'Hare International Airport and Baltimore/Washington International Thurgood Marshall Airport.
American Airlines, Southwest Airlines, United Airlines.
Recent scheduled departures have used the Airbus A319, Embraer 170, Boeing 737, Boeing 737-800. Assignments change by season and by time of day.
ORD to BWI, MDW to BWI. Flight times differ slightly between them because the airports are not in the same place.
