Dulles (IAD) to Raleigh/Durham (RDU) flights
United Airlines, Mesa Airlines, Republic Airline, GoJet Airlines fly nonstop from Washington Dulles International Airport to Raleigh-Durham International Airport, with about 26 flights a week in July 2026. The 225-mile flight takes about 1h 11m gate to gate.
- Distance
- 225 mi · 362 km
- Flight time
- 1h 11m
- Airlines
- 4
- Seats filled
- 73%
Airlines flying IAD to RDU
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 13 | Airbus A319, Boeing 737-700 / MAX 7, Boeing 737 MAX 8 | 112,046 | 1h 10m |
| Mesa Airlines | 6 | Embraer E175 | 6,379 | 1h 16m |
| Republic Airline | 5 | Embraer E175, Embraer E170 | 15,089 | 1h 13m |
| GoJet Airlines | 2 | Bombardier CRJ550 | 1,986 | 1h 11m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAD to RDU flight schedule
8 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 8:20am and the last at 10:42pm. 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 1536United Airlines | 8:20am | 9:34am | 21 | 95% |
| UA 529United Airlines | 8:21am | 9:34am | 10 | 74% |
| UA 3485United Airlines · operated by Republic Airline | 12:50pm | 2:07pm | 11 | 91% |
| UA 4055United Airlines · operated by Mesa Airlines | 12:50pm | 2:08pm | 8 | 77% |
| UA 4598United Airlines · operated by GoJet Airlines | 12:50pm | 2:06pm | 9 | n/a |
| UA 3624United Airlines · operated by Republic Airline | 5:30pm | 6:55pm | 8 | 70% |
| UA 4066United Airlines · operated by Mesa Airlines | 5:40pm | 6:59pm | 21 | 95% |
| UA 2382United Airlines | 10:42pm | 11:59pm | 31 | 75% |
Is IAD to RDU on time?
From September 2025 to August 2026, 83% of 1,440 flights arrived within 15 minutes of schedule and 1.3% were cancelled. Flights leaving around 8am were the most punctual (88%), those around 5pm the least (78%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (38%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,440 | 83% | 13 min | 1.3% |
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 |
|---|---|---|---|
| 8am to 9am | 326 | 88% | |
| 12pm to 1pm | 340 | 85% | |
| 5pm to 6pm | 365 | 78% | |
| 10pm to 11pm | 362 | 81% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 135 | 11,666 | |
| September 2025 | 142 | 12,213 | |
| October 2025 | 124 | 12,843 | |
| November 2025 | 117 | 11,254 | |
| December 2025 | 124 | 10,999 | |
| January 2026 | 91 | 8,505 | |
| February 2026 | 100 | 9,682 | |
| March 2026 | 123 | 12,946 | |
| April 2026 | 121 | 11,435 | |
| May 2026 | 123 | 11,655 | |
| June 2026 | 120 | 11,044 | |
| July 2026 | 117 | 11,322 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.