WN158
WN158 (Southwest Airlines) is a multi-stop service on 38 routes, busiest Nashville to Fort Lauderdale. Of 689 departures recorded from October 2024 to July 2026, 80.0% left on time, according to the US BTS.
- On-time departures80.0%of 689 flights
- Average delay10.1 min
- July 202631▲ 3.3%vs July 2025
- Cancelled0.7%
- Legs flown under this number38
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 31 | 44 | ▲ 41.9% |
| February | 28 | 36 | ▲ 28.6% |
| March | 31 | 40 | ▲ 29.0% |
| April | 30 | 31 | ▲ 3.3% |
| May | 33 | 32 | ▼ 3.0% |
| June | 30 | 30 | 0.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 26 | – | – |
| September | 25 | – | – |
| October | 34 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 213 | 244 | ▲ 14.6% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 90.0% | 88.1% | ▼ 2.1% |
| February | 85.7% | 80.6% | ▼ 6.0% |
| March | 90.3% | 65.0% | ▼ 28.0% |
| April | 90.0% | 74.2% | ▼ 17.6% |
| May | 72.7% | 68.8% | ▼ 5.5% |
| June | 66.7% | 70.0% | ▲ 5.0% |
| July | 43.3% | 75.9% | ▲ 75.1% |
| August | 80.8% | – | – |
| September | 84.0% | – | – |
| October | 94.1% | – | in progress |
| November | 86.7% | – | – |
| December | 96.8% | – | – |
| Year-to-date average (Jan–Jul) | 77.0% | 74.6% | ▼ 3.0% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 2 | ▲ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 300.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.3% 684
- Cancelled 0.7% 5
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BNA FLL Nashville International Airport – Fort Lauderdale Hollywood International Airport | 1,278 | 7.5 min | 83.2% | 89 |
| BNA DTW Nashville International Airport – Detroit Metropolitan Wayne County Airport | 735 | 34.8 min | 51.7% | 60 |
| ALB BWI Albany International Airport – Baltimore/Washington International Thurgood Marshall Airport | 464 | 8.8 min | 86.5% | 53 |
| ATL MSY Hartsfield Jackson Atlanta International Airport – Louis Armstrong New Orleans International Airport | 684 | 7.5 min | 76.0% | 50 |
| BNA ORF Nashville International Airport – Norfolk International Airport | 940 | 6.8 min | 89.1% | 46 |
| DEN LAX Denver International Airport – Los Angeles International Airport | 1,385 | 19.0 min | 59.5% | 42 |
| TPA BWI Tampa International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,358 | 5.3 min | 87.5% | 40 |
| LAS SJC Harry Reid International Airport – Mineta San Jose International Airport | 620 | 5.3 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 91.3% | 0 |
| November 2024 | 31 | 31 | 87.1% | 0 |
| December 2024 | 32 | 32 | 81.3% | 0 |
| January 2025 | 31 | 30 | 90.0% | 1 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 31 | 31 | 90.3% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 33 | 33 | 72.7% | 0 |
| June 2025 | 30 | 30 | 66.7% | 0 |
| July 2025 | 30 | 30 | 43.3% | 0 |
| August 2025 | 26 | 26 | 80.8% | 0 |
| September 2025 | 25 | 25 | 84.0% | 0 |
| October 2025 | 34 | 34 | 94.1% | 0 |
| November 2025 | 30 | 30 | 86.7% | 0 |
| December 2025 | 31 | 31 | 96.8% | 0 |
| January 2026 | 44 | 42 | 88.1% | 2 |
| February 2026 | 36 | 36 | 80.6% | 0 |
| March 2026 | 40 | 40 | 65.0% | 0 |
| April 2026 | 31 | 31 | 74.2% | 0 |
| May 2026 | 32 | 32 | 68.8% | 0 |
| June 2026 | 30 | 30 | 70.0% | 0 |
| July 2026 | 31 | 29 | 75.9% | 2 |