WN899
WN899 (Southwest Airlines) is a multi-stop service on 51 routes, busiest Memphis to Houston. Of 942 departures recorded from October 2024 to July 2026, 81.9% left on time, according to the US BTS.
- On-time departures81.9%of 942 flights
- Average delay8.2 min
- July 202695▲ 43.9%vs July 2025
- Cancelled0.6%
- Legs flown under this number51
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 | 32 | 50 | ▲ 56.3% |
| February | 35 | 37 | ▲ 5.7% |
| March | 32 | 49 | ▲ 53.1% |
| April | 30 | 27 | ▼ 10.0% |
| May | 31 | 26 | ▼ 16.1% |
| June | 60 | 86 | ▲ 43.3% |
| July | 66 | 95 | ▲ 43.9% |
| August | 43 | – | – |
| September | 39 | – | – |
| October | 36 | – | in progress |
| November | 27 | – | – |
| December | 37 | – | – |
| Year to date (Jan–Jul) | 286 | 370 | ▲ 29.4% |
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 | 87.5% | 87.5% | 0.0% |
| February | 88.6% | 83.8% | ▼ 5.4% |
| March | 90.6% | 71.4% | ▼ 21.2% |
| April | 90.0% | 85.2% | ▼ 5.3% |
| May | 74.2% | 100.0% | ▲ 34.8% |
| June | 72.9% | 77.9% | ▲ 6.9% |
| July | 75.8% | 69.2% | ▼ 8.7% |
| August | 88.4% | – | – |
| September | 94.9% | – | – |
| October | 88.9% | – | in progress |
| November | 96.3% | – | – |
| December | 65.7% | – | – |
| Year-to-date average (Jan–Jul) | 82.8% | 82.1% | ▼ 0.8% |
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 | 2 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
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 99.4% 936
- Cancelled 0.6% 6
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 100.0% | 0 |
| November 2024 | 45 | 45 | 86.7% | 0 |
| December 2024 | 36 | 36 | 80.6% | 0 |
| January 2025 | 32 | 32 | 87.5% | 0 |
| February 2025 | 35 | 35 | 88.6% | 0 |
| March 2025 | 32 | 32 | 90.6% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 60 | 59 | 72.9% | 1 |
| July 2025 | 66 | 66 | 75.8% | 0 |
| August 2025 | 43 | 43 | 88.4% | 0 |
| September 2025 | 39 | 39 | 94.9% | 0 |
| October 2025 | 36 | 36 | 88.9% | 0 |
| November 2025 | 27 | 27 | 96.3% | 0 |
| December 2025 | 37 | 35 | 65.7% | 2 |
| January 2026 | 50 | 48 | 87.5% | 2 |
| February 2026 | 37 | 37 | 83.8% | 0 |
| March 2026 | 49 | 49 | 71.4% | 0 |
| April 2026 | 27 | 27 | 85.2% | 0 |
| May 2026 | 26 | 26 | 100.0% | 0 |
| June 2026 | 86 | 86 | 77.9% | 0 |
| July 2026 | 95 | 94 | 69.2% | 1 |