Dulles (IAD) to Nashville (BNA) flights
United Airlines, Allegiant Air fly nonstop from Washington Dulles International Airport to Nashville International Airport, with about 21 flights a week in July 2026. The 542-mile flight takes about 1h 59m gate to gate.
- Distance
- 542 mi · 872 km
- Flight time
- 1h 59m
- Airlines
- 2
- Seats filled
- 76%
Airlines flying IAD to BNA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| United Airlines | 19 | Airbus A319, Airbus A320-100/200, Boeing 737-700 / MAX 7 | 104,716 | 2h 0m |
| Allegiant Air | 3 | Airbus A319, Airbus A320-100/200 | 4,392 | 1h 44m |
| Republic AirlineSeasonal or ended | n/a | Embraer E175 | 2,526 | 2h 0m |
| Mesa AirlinesSeasonal or ended | n/a | Embraer E175 | 1,221 | 1h 58m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
IAD to BNA flight schedule
3 flight numbers flew this route in August 2026, 3 of them almost daily. The first usually leaves at 8:35am and the last at 5:45pm. 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 1366United Airlines | 8:35am | 9:34am | 22 | 89% |
| UA 213United Airlines | 12:52pm | 1:52pm | 31 | 85% |
| UA 2264United Airlines | 5:45pm | 6:47pm | 28 | 71% |
Is IAD to BNA on time?
From September 2025 to August 2026, 81% of 1,017 flights arrived within 15 minutes of schedule and 0.8% were cancelled. Flights leaving around 8am were the most punctual (90%), those around 1pm the least (73%). Most delay time was caused by late-arriving aircraft (43%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| United Airlines | 984 | 82% | 15 min | 0.7% |
| Allegiant Air | 32 | 61% | 37 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 | 252 | 90% | |
| 12pm to 1pm | 253 | 88% | |
| 1pm to 2pm | 105 | 73% | |
| 5pm to 6pm | 354 | 74% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 100 | 9,818 | |
| September 2025 | 79 | 9,244 | |
| October 2025 | 93 | 11,905 | |
| November 2025 | 89 | 8,857 | |
| December 2025 | 85 | 6,861 | |
| January 2026 | 59 | 4,858 | |
| February 2026 | 66 | 7,104 | |
| March 2026 | 88 | 10,463 | |
| April 2026 | 92 | 9,419 | |
| May 2026 | 87 | 9,990 | |
| June 2026 | 92 | 12,110 | |
| July 2026 | 95 | 12,452 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.