Chicago (ORD) to Raleigh/Durham (RDU) flights
Republic Airline, United Airlines, SkyWest Airlines, American Airlines, Envoy Air fly nonstop from Chicago O'Hare International Airport to Raleigh-Durham International Airport, with about 73 flights a week in July 2026. The 646-mile flight takes about 2h 7m gate to gate.
- Distance
- 646 mi · 1,040 km
- Flight time
- 2h 7m
- Airlines
- 5
- Seats filled
- 76%
Airlines flying ORD to RDU
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Republic Airline | 26 | Embraer E175 | 67,851 | 2h 12m |
| United Airlines | 21 | Boeing 737 MAX 9, Boeing 737 MAX 8, Boeing 737-900ER | 156,642 | 2h 7m |
| SkyWest Airlines | 14 | Embraer E175, Bombardier CRJ700, Bombardier CRJ200 | 7,950 | 2h 17m |
| American Airlines | 6 | Airbus A319, Boeing 737-800, Boeing 737 MAX 8 | 53,823 | 1h 57m |
| Envoy Air | 5 | Embraer E175, Embraer E170 | 28,304 | 2h 6m |
| Frontier AirlinesSeasonal or ended | n/a | Airbus A320neo, Airbus A321, Airbus A320-100/200 | 16,427 | 2h 8m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ORD to RDU flight schedule
17 flight numbers flew this route in August 2026, 11 of them almost daily. The first usually leaves at 6:55am and the last at 8:40pm. Times are local and can change; check with the airline before you book.
| Flight | Departs | Arrives | Days flown in August 2026 | On time (12 months) |
|---|---|---|---|---|
| UA 5926United Airlines · operated by SkyWest Airlines | 6:55am | 10:08am | 10 | 80% |
| UA 203United Airlines | 7:10am | 10:26am | 15 | 93% |
| AA 4354American Airlines · operated by Republic Airline | 8:10am | 11:29am | 31 | 91% |
| UA 3600United Airlines · operated by Republic Airline | 9:10am | 12:33pm | 20 | 85% |
| UA 5326United Airlines · operated by SkyWest Airlines | 9:10am | 12:33pm | 10 | 89% |
| AA 4756American Airlines · operated by Republic Airline | 9:29am | 12:48pm | 4 | 89% |
| AA 4461American Airlines · operated by Republic Airline | 9:30am | 12:48pm | 27 | 74% |
| UA 2616United Airlines | 10:50am | 2:07pm | 31 | 79% |
| AA 4732American Airlines · operated by Republic Airline | 11:59am | 3:17pm | 27 | 70% |
| UA 1142United Airlines | 12:50pm | 4:02pm | 21 | 76% |
| UA 2091United Airlines | 2:30pm | 5:41pm | 31 | 75% |
| AA 4518American Airlines · operated by Republic Airline | 3:59pm | 7:23pm | 4 | 79% |
| AA 4503American Airlines · operated by Republic Airline | 4:25pm | 7:47pm | 27 | 56% |
| AA 2167American Airlines | 5:51pm | 8:55pm | 31 | 51% |
| UA 1989United Airlines | 6:28pm | 9:49pm | 31 | 54% |
| AA 4615American Airlines · operated by Republic Airline | 8:22pm | 11:42pm | 4 | 80% |
| AA 600American Airlines | 8:40pm | 11:42pm | 27 | 44% |
Is ORD to RDU on time?
From September 2025 to August 2026, 73% of 3,742 flights arrived within 15 minutes of schedule and 2.3% were cancelled. Flights leaving around 8am were the most punctual (88%), those around 8pm the least (51%). Most delay time was caused by late-arriving aircraft (49%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| American Airlines | 2,059 | 70% | 26 min | 3.1% |
| United Airlines | 1,585 | 77% | 18 min | 1.2% |
| Frontier Airlines | 98 | 63% | 53 min | 4.1% |
Airlines as sold: flights operated by regional partners count under the airline on the ticket. Average delay is across all completed flights, early arrivals counted as zero.
On-time arrivals by departure time
| Scheduled departure | Flights | On time, relative | On time |
|---|---|---|---|
| 6am to 7am | 130 | 86% | |
| 7am to 8am | 299 | 84% | |
| 8am to 9am | 277 | 88% | |
| 9am to 10am | 434 | 83% | |
| 10am to 11am | 281 | 77% | |
| 11am to 12pm | 201 | 77% | |
| 12pm to 1pm | 89 | 66% | |
| 1pm to 2pm | 230 | 70% | |
| 2pm to 3pm | 500 | 74% | |
| 3pm to 4pm | 92 | 80% | |
| 4pm to 5pm | 82 | 59% | |
| 5pm to 6pm | 137 | 55% | |
| 6pm to 7pm | 496 | 62% | |
| 7pm to 8pm | 92 | 79% | |
| 8pm to 9pm | 340 | 51% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 267 | 31,322 | |
| September 2025 | 266 | 28,565 | |
| October 2025 | 327 | 35,548 | |
| November 2025 | 297 | 28,421 | |
| December 2025 | 289 | 25,593 | |
| January 2026 | 213 | 17,819 | |
| February 2026 | 244 | 20,075 | |
| March 2026 | 308 | 26,352 | |
| April 2026 | 349 | 27,795 | |
| May 2026 | 369 | 30,899 | |
| June 2026 | 318 | 29,539 | |
| July 2026 | 325 | 29,346 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.