WN55
WN55 (Southwest Airlines) is a multi-stop service on 16 routes, busiest Dallas to Houston. Of 383 departures recorded from October 2024 to July 2026, 59.9% left on time, according to the US BTS.
- On-time departures59.9%of 383 flights
- Average delay21.6 min
- July 20269▼ 25.0%vs July 2025
- Cancelled1.0%
- Legs flown under this number16
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods14 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 24 | – | – |
| February | 33 | – | – |
| March | 65 | 8 | ▼ 87.7% |
| April | 19 | 22 | ▲ 15.8% |
| May | 3 | 26 | ▲ 766.7% |
| June | 13 | 14 | ▲ 7.7% |
| July | 12 | 9 | ▼ 25.0% |
| August | 4 | – | – |
| September | – | – | – |
| October | 13 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 periods14 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 59.1% | – | – |
| February | 54.6% | – | – |
| March | 63.1% | 50.0% | ▼ 20.7% |
| April | 57.9% | 54.6% | ▼ 5.8% |
| May | 33.3% | 42.3% | ▲ 26.9% |
| June | 53.9% | 28.6% | ▼ 46.9% |
| July | 41.7% | 33.3% | ▼ 20.0% |
| August | 0.0% | – | – |
| September | – | – | – |
| October | 61.5% | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 periods14 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | – | – |
| February | 0 | – | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 99.0% 379
- Cancelled 1.0% 4
Share of all recorded flights in the period, all legs. · Oct 14, 2024 → Jul 25, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DAL HOU Dallas Love Field – William P. Hobby Airport | 386 | 25.1 min | 57.3% | 181 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 33 | 33 | 66.7% | 0 |
| November 2024 | 39 | 37 | 73.0% | 2 |
| December 2024 | 46 | 46 | 87.0% | 0 |
| January 2025 | 24 | 22 | 59.1% | 2 |
| February 2025 | 33 | 33 | 54.6% | 0 |
| March 2025 | 65 | 65 | 63.1% | 0 |
| April 2025 | 19 | 19 | 57.9% | 0 |
| May 2025 | 3 | 3 | 33.3% | 0 |
| June 2025 | 13 | 13 | 53.9% | 0 |
| July 2025 | 12 | 12 | 41.7% | 0 |
| August 2025 | 4 | 4 | 0.0% | 0 |
| October 2025 | 13 | 13 | 61.5% | 0 |
| March 2026 | 8 | 8 | 50.0% | 0 |
| April 2026 | 22 | 22 | 54.6% | 0 |
| May 2026 | 26 | 26 | 42.3% | 0 |
| June 2026 | 14 | 14 | 28.6% | 0 |
| July 2026 | 9 | 9 | 33.3% | 0 |