Great-circle route ORD → RDU. 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 Raleigh-durham is approximately 1h 53m nonstop. The distance is 646 miles (1,040 km). There are about 14 nonstop flights from Chicago to Raleigh-durham 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 → RDU Chicago O'Hare International Airport to Raleigh Durham International Airport |
1h 53m | 646 mi | 77/wk | American Airlines, United Airlines |
| MDW → RDU Chicago Midway International Airport to Raleigh Durham International Airport |
1h 52m | 631 mi | 19/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 Raleigh-durham, including American Airlines, Southwest Airlines, United Airlines.
Recent scheduled departures on this route have used the Embraer 175, Boeing 737, Boeing 737-900, Embraer 170 and 3 other types.
Aircraft assignments change by season and by time of day.
The distance from Chicago to Raleigh-durham 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 96 departures a week, across 2 airport pairings. The route is in our live nonstop dataset, last seeded 2026-07-29.
About 1h 53m in the air on the ORD–RDU 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 Chicago O'Hare International Airport and Raleigh Durham International Airport.
American Airlines, Southwest Airlines, United Airlines.
Recent scheduled departures have used the Embraer 175, Boeing 737, Boeing 737-900, Embraer 170. Assignments change by season and by time of day.
ORD to RDU, MDW to RDU. Flight times differ slightly between them because the airports are not in the same place.
