Nashville (BNA) to Dulles (IAD) flights
United Airlines, Allegiant Air fly nonstop from Nashville International Airport to Washington Dulles International Airport, with about 22 flights a week in July 2026. The 542-mile flight takes about 1h 45m gate to gate.
- Distance
- 542 mi · 872 km
- Flight time
- 1h 45m
- Airlines
- 2
- Seats filled
- 76%
Airlines flying BNA to IAD
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 19 | Airbus A320-100/200, Boeing 737-800, Boeing 737-700 / MAX 7 | 108,629 | 1h 45m |
| Allegiant Air | 3 | Airbus A319, Airbus A320-100/200 | 4,640 | 1h 42m |
| Republic AirlineSeasonal or ended | n/a | Embraer E175, Embraer E170 | 2,636 | 1h 52m |
| Mesa AirlinesSeasonal or ended | n/a | Embraer E175 | 1,127 | 1h 45m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BNA to IAD flight schedule
3 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 8:30am and the last at 6:42pm. 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 1709United Airlines | 8:30am | 11:18am | 22 | 85% |
| UA 2125United Airlines | 1:37pm | 4:25pm | 31 | 79% |
| UA 1460United Airlines | 6:42pm | 9:30pm | 28 | 65% |
Is BNA to IAD on time?
From September 2025 to August 2026, 78% of 1,016 flights arrived within 15 minutes of schedule and 1.2% were cancelled. Flights leaving around 8am were the most punctual (86%), those around 6pm the least (70%). Most delay time was caused by late-arriving aircraft (43%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 983 | 78% | 21 min | 1.1% |
| Allegiant Air | 32 | 77% | 27 min | 3.1% |
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 |
|---|---|---|---|
| 8am to 9am | 302 | 86% | |
| 11am to 12pm | 30 | 79% | |
| 1pm to 2pm | 360 | 78% | |
| 6pm to 7pm | 317 | 70% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 100 | 10,719 | |
| September 2025 | 79 | 9,581 | |
| October 2025 | 95 | 11,814 | |
| November 2025 | 90 | 10,065 | |
| December 2025 | 87 | 7,714 | |
| January 2026 | 59 | 4,689 | |
| February 2026 | 65 | 7,167 | |
| March 2026 | 87 | 9,836 | |
| April 2026 | 89 | 9,542 | |
| May 2026 | 85 | 11,213 | |
| June 2026 | 92 | 12,746 | |
| July 2026 | 98 | 12,398 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.