WN1958
WN1958 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Houston to Harlingen. Of 475 departures recorded from October 2024 to July 2026, 67.5% left on time, according to the US BTS.
- On-time departures67.5%of 475 flights
- Average delay16.5 min
- July 202618▲ 1,700.0%vs July 2025
- Cancelled1.7%
- Legs flown under this number26
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 | 3 | 30 | ▲ 900.0% |
| February | – | 28 | – |
| March | 28 | 31 | ▲ 10.7% |
| April | 8 | 36 | ▲ 350.0% |
| May | 1 | 41 | ▲ 4,000.0% |
| June | – | 19 | – |
| July | 1 | 18 | ▲ 1,700.0% |
| August | 38 | – | – |
| September | 43 | – | – |
| October | 40 | – | in progress |
| November | 28 | – | – |
| December | 29 | – | – |
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 | 100.0% | 65.5% | ▼ 34.5% |
| February | – | 40.7% | – |
| March | 88.9% | 44.8% | ▼ 49.6% |
| April | 87.5% | 94.4% | ▲ 7.9% |
| May | 100.0% | 85.4% | ▼ 14.6% |
| June | – | 68.4% | – |
| July | 100.0% | 66.7% | ▼ 33.3% |
| August | 34.2% | – | – |
| September | 26.2% | – | – |
| October | 87.5% | – | in progress |
| November | 64.3% | – | – |
| December | 75.9% | – | – |
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 | 1 | – |
| February | – | 1 | – |
| March | 1 | 2 | ▲ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| 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 98.3% 467
- Cancelled 1.7% 8
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HOU HRL William P. Hobby Airport – Valley International Airport | 446 | 11.9 min | 69.5% | 59 |
| STL PHX St. Louis Lambert International Airport – Phoenix Sky Harbor International Airport | 2,026 | 32.0 min | 36.8% | 58 |
| MCO DCA Orlando International Airport – Ronald Reagan Washington National Airport | 1,224 | 30.6 min | 53.6% | 58 |
| BNA PIT Nashville International Airport – Pittsburgh International Airport | 743 | 6.7 min | 86.0% | 57 |
| HOU BNA William P. Hobby Airport – Nashville International Airport | 1,078 | 14.9 min | 66.7% | 33 |
| CMH PHX John Glenn Columbus International Airport – Phoenix Sky Harbor International Airport | 2,682 | 18.9 min | 51.6% | 33 |
| DAL ELP Dallas Love Field – El Paso International Airport | 902 | 13.0 min | 82.1% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 83.3% | 0 |
| November 2024 | 19 | 18 | 88.9% | 1 |
| December 2024 | 16 | 15 | 80.0% | 1 |
| January 2025 | 3 | 3 | 100.0% | 0 |
| March 2025 | 28 | 27 | 88.9% | 1 |
| April 2025 | 8 | 8 | 87.5% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| July 2025 | 1 | 1 | 100.0% | 0 |
| August 2025 | 38 | 38 | 34.2% | 0 |
| September 2025 | 43 | 42 | 26.2% | 1 |
| October 2025 | 40 | 40 | 87.5% | 0 |
| November 2025 | 28 | 28 | 64.3% | 0 |
| December 2025 | 29 | 29 | 75.9% | 0 |
| January 2026 | 30 | 29 | 65.5% | 1 |
| February 2026 | 28 | 27 | 40.7% | 1 |
| March 2026 | 31 | 29 | 44.8% | 2 |
| April 2026 | 36 | 36 | 94.4% | 0 |
| May 2026 | 41 | 41 | 85.4% | 0 |
| June 2026 | 19 | 19 | 68.4% | 0 |
| July 2026 | 18 | 18 | 66.7% | 0 |