WN1478
WN1478 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Nashville to Columbus. Of 612 departures recorded from October 2024 to July 2026, 82.2% left on time, according to the US BTS.
- On-time departures82.2%of 612 flights
- Average delay7.9 min
- July 202640▲ 5.3%vs July 2025
- Cancelled0.7%
- Legs flown under this number34
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 19 | 32 | ▲ 68.4% |
| February | 18 | 31 | ▲ 72.2% |
| March | 29 | 51 | ▲ 75.9% |
| April | 27 | 24 | ▼ 11.1% |
| May | 27 | 17 | ▼ 37.0% |
| June | 37 | 37 | 0.0% |
| July | 38 | 40 | ▲ 5.3% |
| August | 10 | – | – |
| September | 4 | – | – |
| October | 30 | – | in progress |
| November | 40 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 195 | 232 | ▲ 19.0% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 100.0% | 0.0% |
| February | 66.7% | 93.6% | ▲ 40.3% |
| March | 79.3% | 78.4% | ▼ 1.1% |
| April | 92.6% | 70.8% | ▼ 23.5% |
| May | 100.0% | 76.5% | ▼ 23.5% |
| June | 81.1% | 73.0% | ▼ 10.0% |
| July | 79.0% | 55.0% | ▼ 30.3% |
| August | 90.0% | – | – |
| September | 100.0% | – | – |
| October | 93.3% | – | in progress |
| November | 82.5% | – | – |
| December | 72.7% | – | – |
| Year-to-date average (Jan–Jul) | 85.5% | 78.2% | ▼ 8.6% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 0 | 3 |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.3% 608
- Cancelled 0.7% 4
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 100.0% | 0 |
| November 2024 | 17 | 17 | 94.1% | 0 |
| December 2024 | 28 | 28 | 85.7% | 0 |
| January 2025 | 19 | 19 | 100.0% | 0 |
| February 2025 | 18 | 18 | 66.7% | 0 |
| March 2025 | 29 | 29 | 79.3% | 0 |
| April 2025 | 27 | 27 | 92.6% | 0 |
| May 2025 | 27 | 27 | 100.0% | 0 |
| June 2025 | 37 | 37 | 81.1% | 0 |
| July 2025 | 38 | 38 | 79.0% | 0 |
| August 2025 | 10 | 10 | 90.0% | 0 |
| September 2025 | 4 | 4 | 100.0% | 0 |
| October 2025 | 30 | 30 | 93.3% | 0 |
| November 2025 | 40 | 40 | 82.5% | 0 |
| December 2025 | 45 | 44 | 72.7% | 1 |
| January 2026 | 32 | 29 | 100.0% | 3 |
| February 2026 | 31 | 31 | 93.6% | 0 |
| March 2026 | 51 | 51 | 78.4% | 0 |
| April 2026 | 24 | 24 | 70.8% | 0 |
| May 2026 | 17 | 17 | 76.5% | 0 |
| June 2026 | 37 | 37 | 73.0% | 0 |
| July 2026 | 40 | 40 | 55.0% | 0 |