Ontario (ONT) to Nashville (BNA) flights
Southwest Airlines flies nonstop from Ontario International Airport to Nashville International Airport, with about 7 flights a week in July 2026. The 1,751-mile flight takes about 3h 45m gate to gate.
- Distance
- 1,751 mi · 2,818 km
- Flight time
- 3h 45m
- Airlines
- 1
- Seats filled
- 87%
Airlines flying ONT to BNA
| Airline | Flights a week | Aircraft | Passengers (12 months) | Flight time |
|---|---|---|---|---|
| Southwest Airlines | 7 | Boeing 737 MAX 8, Boeing 737-800, Boeing 737-700 / MAX 7 | 49,830 | 3h 45m |
Airlines are the operating carrier: regional airlines such as SkyWest or Horizon often fly under a larger airline's brand.
ONT to BNA flight schedule
2 flight numbers flew this route in August 2026, 1 of them almost daily. The first usually leaves at 7:25am and the last at 10:00am. 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 1369Southwest Airlines | 7:25am | 1:15pm | 8 | n/a |
| WN 3073Southwest Airlines | 10:00am | 3:50pm | 20 | 75% |
Is ONT to BNA on time?
From September 2025 to August 2026, 76% of 336 flights arrived within 15 minutes of schedule and 0.6% were cancelled. Flights leaving around 5am were the most punctual (97%), those around 11am the least (40%). Most delay time was caused by the airline (crew, maintenance, cleaning, fuelling) (40%).
| Airline | Flights | On time | Average delay | Cancelled |
|---|---|---|---|---|
| Southwest Airlines | 336 | 76% | 12 min | 0.6% |
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 |
|---|---|---|---|
| 5am to 6am | 38 | 97% | |
| 6am to 7am | 47 | 96% | |
| 7am to 8am | 37 | 75% | |
| 9am to 10am | 56 | 73% | |
| 10am to 11am | 103 | 74% | |
| 11am to 12pm | 25 | 40% | |
| 12pm to 1pm | 17 | 59% |
Flights by month
| Month | Flights | Flights, relative | Passengers |
|---|---|---|---|
| August 2025 | 31 | 4,565 | |
| September 2025 | 30 | 4,637 | |
| October 2025 | 31 | 4,811 | |
| November 2025 | 29 | 4,042 | |
| December 2025 | 31 | 4,284 | |
| January 2026 | 13 | 1,622 | |
| February 2026 | 19 | 2,297 | |
| March 2026 | 29 | 4,074 | |
| April 2026 | 30 | 4,719 | |
| May 2026 | 31 | 5,023 | |
| June 2026 | 28 | 4,727 | |
| July 2026 | 31 | 5,029 |
Related
Source: US Department of Transportation, T-100 Segment data, August 2025 to July 2026.