Raleigh/Durham (RDU) to Dulles (IAD) flights
United Airlines, Mesa Airlines, Republic Airline, GoJet Airlines fly nonstop from Raleigh-Durham International Airport to Washington Dulles International Airport, with about 28 flights a week in July 2026. The 225-mile flight takes about 1h 7m gate to gate.
- Distance
- 225 mi · 362 km
- Flight time
- 1h 7m
- Airlines
- 4
- Seats filled
- 75%
Airlines flying RDU to IAD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 15 | Airbus A319, Boeing 737-700 / MAX 7, Boeing 737 MAX 8 | 118,708 | 1h 6m |
| Mesa Airlines | 6 | Embraer E175 | 6,202 | 1h 8m |
| Republic Airline | 6 | Embraer E175, Embraer E170 | 14,342 | 1h 12m |
| GoJet Airlines | 2 | Bombardier CRJ550 | 1,803 | 1h 7m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
RDU to IAD flight schedule
7 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 6:00am and the last at 7:59pm. 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 1789United Airlines | 6:00am | 7:07am | 31 | 96% |
| UA 1535United Airlines | 10:40am | 11:47am | 31 | 90% |
| UA 6265United Airlines · operated by Mesa Airlines | 3:00pm | 4:21pm | 8 | 77% |
| UA 3538United Airlines · operated by Republic Airline | 3:05pm | 4:19pm | 11 | 82% |
| UA 4599United Airlines · operated by GoJet Airlines | 3:05pm | 4:19pm | 9 | n/a |
| UA 3520United Airlines · operated by Republic Airline | 7:45pm | 9:06pm | 8 | 70% |
| UA 6244United Airlines · operated by Mesa Airlines | 7:59pm | 9:13pm | 21 | 90% |
Is RDU to IAD on time?
From September 2025 to August 2026, 86% of 1,441 flights arrived within 15 minutes of schedule and 1.3% were cancelled. Flights leaving around 6am were the most punctual (92%), those around 3pm the least (79%). Most delay time was caused by late-arriving aircraft (45%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 1,441 | 86% | 14 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 |
|---|---|---|---|
| 6am to 7am | 360 | 92% | |
| 10am to 11am | 365 | 91% | |
| 3pm to 4pm | 365 | 79% | |
| 7pm to 8pm | 246 | 82% | |
| 8pm to 9pm | 82 | 83% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 137 | 11,430 | |
| September 2025 | 143 | 12,804 | |
| October 2025 | 124 | 12,715 | |
| November 2025 | 118 | 12,091 | |
| December 2025 | 124 | 12,518 | |
| January 2026 | 92 | 8,008 | |
| February 2026 | 99 | 9,351 | |
| March 2026 | 130 | 14,009 | |
| April 2026 | 120 | 11,742 | |
| May 2026 | 127 | 13,266 | |
| June 2026 | 120 | 11,194 | |
| July 2026 | 127 | 12,561 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.