WN558
WN558 (Southwest Airlines) is a multi-stop service on 39 routes, busiest Atlanta to Sarasota. Of 678 departures recorded from October 2024 to July 2026, 73.3% left on time, according to the US BTS.
- On-time departures73.3%of 678 flights
- Average delay15.2 min
- July 202616▼ 64.4%vs July 2025
- Cancelled0.2%
- Legs flown under this number39
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 | 33 | 30 | ▼ 9.1% |
| February | 28 | 25 | ▼ 10.7% |
| March | 31 | 31 | 0.0% |
| April | 39 | 33 | ▼ 15.4% |
| May | 44 | 35 | ▼ 20.5% |
| June | 41 | 18 | ▼ 56.1% |
| July | 45 | 16 | ▼ 64.4% |
| August | 32 | – | – |
| September | 30 | – | – |
| October | 39 | – | in progress |
| November | 22 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 261 | 188 | ▼ 28.0% |
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 | 75.8% | 90.0% | ▲ 18.8% |
| February | 71.4% | 72.0% | ▲ 0.8% |
| March | 83.9% | 67.7% | ▼ 19.2% |
| April | 89.7% | 78.8% | ▼ 12.2% |
| May | 69.8% | 51.4% | ▼ 26.3% |
| June | 61.0% | 66.7% | ▲ 9.3% |
| July | 40.0% | 81.3% | ▲ 103.1% |
| August | 84.4% | – | – |
| September | 100.0% | – | – |
| October | 64.1% | – | in progress |
| November | 77.3% | – | – |
| December | 88.2% | – | – |
| Year-to-date average (Jan–Jul) | 70.2% | 72.6% | ▲ 3.3% |
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 | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | 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 99.9% 677
- Cancelled 0.1% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 70.6% | 0 |
| November 2024 | 32 | 32 | 93.8% | 0 |
| December 2024 | 40 | 40 | 65.0% | 0 |
| January 2025 | 33 | 33 | 75.8% | 0 |
| February 2025 | 28 | 28 | 71.4% | 0 |
| March 2025 | 31 | 31 | 83.9% | 0 |
| April 2025 | 39 | 39 | 89.7% | 0 |
| May 2025 | 44 | 43 | 69.8% | 1 |
| June 2025 | 41 | 41 | 61.0% | 0 |
| July 2025 | 45 | 45 | 40.0% | 0 |
| August 2025 | 32 | 32 | 84.4% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 39 | 39 | 64.1% | 0 |
| November 2025 | 22 | 22 | 77.3% | 0 |
| December 2025 | 17 | 17 | 88.2% | 0 |
| January 2026 | 30 | 30 | 90.0% | 0 |
| February 2026 | 25 | 25 | 72.0% | 0 |
| March 2026 | 31 | 31 | 67.7% | 0 |
| April 2026 | 33 | 33 | 78.8% | 0 |
| May 2026 | 35 | 35 | 51.4% | 0 |
| June 2026 | 18 | 18 | 66.7% | 0 |
| July 2026 | 16 | 16 | 81.3% | 0 |