WN9
WN9 (Southwest Airlines) is a multi-stop service on 11 routes, busiest Dallas to Houston. Of 339 departures recorded from October 2024 to July 2026, 84.3% left on time, according to the US BTS.
- On-time departures84.3%of 339 flights
- Average delay5.7 min
- July 202629▲ 480.0%vs July 2025
- Cancelled2.4%
- Legs flown under this number11
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 11 | 54 | ▲ 390.9% |
| February | 8 | 43 | ▲ 437.5% |
| March | 2 | 14 | ▲ 600.0% |
| April | 8 | 2 | ▼ 75.0% |
| May | 8 | – | – |
| June | 6 | 8 | ▲ 33.3% |
| July | 5 | 29 | ▲ 480.0% |
| August | 1 | – | – |
| September | – | – | – |
| October | 24 | – | in progress |
| November | 26 | – | – |
| December | 34 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 90.9% | 92.2% | ▲ 1.4% |
| February | 100.0% | 97.6% | ▼ 2.4% |
| March | 100.0% | 64.3% | ▼ 35.7% |
| April | 87.5% | 0.0% | ▼ 100.0% |
| May | 85.7% | – | – |
| June | 100.0% | 75.0% | ▼ 25.0% |
| July | 100.0% | 60.7% | ▼ 39.3% |
| August | 100.0% | – | – |
| September | – | – | – |
| October | 91.7% | – | in progress |
| November | 79.2% | – | – |
| December | 85.3% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 3 | – |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | – | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 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 97.6% 331
- Cancelled 2.4% 8
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DAL HOU Dallas Love Field – William P. Hobby Airport | 386 | 5.3 min | 85.1% | 178 |
| HOU CRP William P. Hobby Airport – Corpus Christi International Airport | 301 | 6.1 min | 86.2% | 87 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 66.7% | 0 |
| November 2024 | 20 | 20 | 85.0% | 0 |
| December 2024 | 33 | 33 | 75.8% | 0 |
| January 2025 | 11 | 11 | 90.9% | 0 |
| February 2025 | 8 | 8 | 100.0% | 0 |
| March 2025 | 2 | 2 | 100.0% | 0 |
| April 2025 | 8 | 8 | 87.5% | 0 |
| May 2025 | 8 | 7 | 85.7% | 1 |
| June 2025 | 6 | 6 | 100.0% | 0 |
| July 2025 | 5 | 5 | 100.0% | 0 |
| August 2025 | 1 | 1 | 100.0% | 0 |
| October 2025 | 24 | 24 | 91.7% | 0 |
| November 2025 | 26 | 24 | 79.2% | 2 |
| December 2025 | 34 | 34 | 85.3% | 0 |
| January 2026 | 54 | 51 | 92.2% | 3 |
| February 2026 | 43 | 42 | 97.6% | 1 |
| March 2026 | 14 | 14 | 64.3% | 0 |
| April 2026 | 2 | 2 | 0.0% | 0 |
| June 2026 | 8 | 8 | 75.0% | 0 |
| July 2026 | 29 | 28 | 60.7% | 1 |