WN1791
WN1791 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Nashville to Detroit. Of 740 departures recorded from October 2024 to July 2026, 77.9% left on time, according to the US BTS.
- On-time departures77.9%of 740 flights
- Average delay10.1 min
- July 202628▼ 9.7%vs July 2025
- Cancelled0.3%
- Legs flown under this number27
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 | 54 | 31 | ▼ 42.6% |
| February | 44 | 28 | ▼ 36.4% |
| March | 46 | 30 | ▼ 34.8% |
| April | 45 | 24 | ▼ 46.7% |
| May | 49 | 22 | ▼ 55.1% |
| June | 31 | 26 | ▼ 16.1% |
| July | 31 | 28 | ▼ 9.7% |
| August | 23 | – | – |
| September | 21 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 300 | 189 | ▼ 37.0% |
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 | 81.5% | 93.6% | ▲ 14.8% |
| February | 88.6% | 96.4% | ▲ 8.8% |
| March | 80.4% | 90.0% | ▲ 11.9% |
| April | 88.9% | 66.7% | ▼ 25.0% |
| May | 77.6% | 54.6% | ▼ 29.7% |
| June | 32.3% | 61.5% | ▲ 90.8% |
| July | 36.7% | 75.0% | ▲ 104.5% |
| August | 95.7% | – | – |
| September | 95.2% | – | – |
| October | 69.0% | – | in progress |
| November | 63.3% | – | – |
| December | 80.7% | – | – |
| Year-to-date average (Jan–Jul) | 69.4% | 76.8% | ▲ 10.7% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
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 99.7% 738
- Cancelled 0.3% 2
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
12Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 47.4% | 0 |
| November 2024 | 49 | 49 | 95.9% | 0 |
| December 2024 | 48 | 48 | 95.8% | 0 |
| January 2025 | 54 | 54 | 81.5% | 0 |
| February 2025 | 44 | 44 | 88.6% | 0 |
| March 2025 | 46 | 46 | 80.4% | 0 |
| April 2025 | 45 | 45 | 88.9% | 0 |
| May 2025 | 49 | 49 | 77.6% | 0 |
| June 2025 | 31 | 31 | 32.3% | 0 |
| July 2025 | 31 | 30 | 36.7% | 1 |
| August 2025 | 23 | 23 | 95.7% | 0 |
| September 2025 | 21 | 21 | 95.2% | 0 |
| October 2025 | 30 | 29 | 69.0% | 1 |
| November 2025 | 30 | 30 | 63.3% | 0 |
| December 2025 | 31 | 31 | 80.7% | 0 |
| January 2026 | 31 | 31 | 93.6% | 0 |
| February 2026 | 28 | 28 | 96.4% | 0 |
| March 2026 | 30 | 30 | 90.0% | 0 |
| April 2026 | 24 | 24 | 66.7% | 0 |
| May 2026 | 22 | 22 | 54.6% | 0 |
| June 2026 | 26 | 26 | 61.5% | 0 |
| July 2026 | 28 | 28 | 75.0% | 0 |