Great-circle route RDU → ORD. 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 Raleigh-durham to Chicago is approximately 1h 53m nonstop. The distance is 646 miles (1,040 km). There are about 14 nonstop flights from Raleigh-durham to Chicago 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 |
|---|---|---|---|---|
| RDU → ORD Raleigh Durham International Airport to Chicago O'Hare International Airport |
1h 53m | 646 mi | 77/wk | American Airlines, United Airlines |
| RDU → MDW Raleigh Durham International Airport to Chicago Midway International Airport |
1h 52m | 631 mi | 21/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 Raleigh-durham to Chicago, including American Airlines, Southwest Airlines, United Airlines.
Recent scheduled departures on this route have used the Airbus A319, Boeing 737-800, Embraer 175, Boeing 737-700 and 3 other types.
Aircraft assignments change by season and by time of day.
The distance from Raleigh-durham to Chicago is 646 miles, or 1,040 kilometres.
| Great-circle distance | 646 mi |
| Kilometres | 1,040 km |
| Nautical miles | 561 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 98 departures a week, across 2 airport pairings. The route is in our live nonstop dataset, last seeded 2026-07-07.
About 1h 53m in the air on the RDU–ORD nonstop. That is a great-circle estimate from the 646-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.
646 miles (1,040 km) great-circle between Raleigh Durham International Airport and Chicago O'Hare International Airport.
American Airlines, Southwest Airlines, United Airlines.
Recent scheduled departures have used the Airbus A319, Boeing 737-800, Embraer 175, Boeing 737-700. Assignments change by season and by time of day.
RDU to ORD, RDU to MDW. Flight times differ slightly between them because the airports are not in the same place.