Buffalo (BUF) to Nashville (BNA) flights
Southwest Airlines flies nonstop from Buffalo Niagara International Airport to Nashville International Airport, with about 7 flights a week in July 2026. The 633-mile flight takes about 1h 57m gate to gate.
- Distance
- 633 mi · 1,019 km
- Flight time
- 1h 57m
- Airlines
- 1
- Seats filled
- 78%
Airlines flying BUF to BNA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 7 | Boeing 737-700 / MAX 7, Boeing 737-800, Boeing 737 MAX 8 | 45,955 | 1h 57m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
BUF to BNA flight schedule
3 flight numbers flew this route in August 2026. The first usually leaves at 9:45am and the last at 12:55pm. 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) |
|---|---|---|---|---|
| WN 1674Southwest Airlines | 9:45am | 10:40am | 8 | n/a |
| WN 4362Southwest Airlines | 12:30pm | 1:25pm | 16 | 69% |
| WN 3996Southwest Airlines | 12:55pm | 1:50pm | 4 | n/a |
Is BUF to BNA on time?
From September 2025 to August 2026, 77% of 370 flights arrived within 15 minutes of schedule and 0.8% were cancelled. Flights leaving around 9am were the most punctual (94%), those around 3pm the least (64%). Most delay time was caused by late-arriving aircraft (62%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 370 | 77% | 13 min | 0.8% |
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 | 32 | 88% | |
| 9am to 10am | 32 | 94% | |
| 10am to 11am | 48 | 87% | |
| 11am to 12pm | 11 | 82% | |
| 12pm to 1pm | 106 | 74% | |
| 1pm to 2pm | 85 | 75% | |
| 3pm to 4pm | 22 | 64% | |
| 4pm to 5pm | 17 | 24% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 32 | 4,647 | |
| September 2025 | 30 | 4,003 | |
| October 2025 | 31 | 4,176 | |
| November 2025 | 32 | 3,762 | |
| December 2025 | 32 | 3,517 | |
| January 2026 | 31 | 3,573 | |
| February 2026 | 28 | 3,166 | |
| March 2026 | 31 | 3,576 | |
| April 2026 | 30 | 3,748 | |
| May 2026 | 31 | 3,937 | |
| June 2026 | 30 | 3,809 | |
| July 2026 | 31 | 4,394 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.