WN1799
WN1799 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Harlingen to Austin. Of 549 departures recorded from October 2024 to July 2026, 79.7% left on time, according to the US BTS.
- On-time departures79.7%of 549 flights
- Average delay13.0 min
- July 20265▼ 85.7%vs July 2025
- Cancelled0.4%
- Legs flown under this number26
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 | 30 | ▼ 6.3% |
| February | 31 | 28 | ▼ 9.7% |
| March | 31 | 31 | 0.0% |
| April | 30 | 12 | ▼ 60.0% |
| May | 31 | 10 | ▼ 67.7% |
| June | 34 | 4 | ▼ 88.2% |
| July | 35 | 5 | ▼ 85.7% |
| August | 39 | – | – |
| September | 39 | – | – |
| October | 1 | – | in progress |
| November | 27 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 224 | 120 | ▼ 46.4% |
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 | 83.9% | 96.7% | ▲ 15.3% |
| February | 93.6% | 92.9% | ▼ 0.7% |
| March | 77.4% | 83.9% | ▲ 8.3% |
| April | 80.0% | 91.7% | ▲ 14.6% |
| May | 96.8% | 90.0% | ▼ 7.0% |
| June | 76.5% | 100.0% | ▲ 30.8% |
| July | 62.9% | 100.0% | ▲ 59.1% |
| August | 64.1% | – | – |
| September | 71.8% | – | – |
| October | 100.0% | – | in progress |
| November | 70.4% | – | – |
| December | 79.3% | – | – |
| Year-to-date average (Jan–Jul) | 81.6% | 93.6% | ▲ 14.7% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 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 99.6% 547
- Cancelled 0.4% 2
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HRL AUS Valley International Airport – Austin Bergstrom International Airport | 441 | 10.9 min | 78.9% | 92 |
| HNL OGG Daniel K. Inouye International Airport – Kahului International Airport | 162 | -1.4 min | 96.6% | 58 |
| MSP PHX Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Phoenix Sky Harbor International Airport | 2,051 | 5.1 min | 94.8% | 58 |
| BWI MKE Baltimore/Washington International Thurgood Marshall Airport – General Mitchell International Airport | 1,030 | 33.3 min | 54.9% | 51 |
| ROC BWI Frederick Douglass Greater Rochester International Airport – Baltimore/Washington International Thurgood Marshall Airport | 447 | 7.0 min | 84.9% | 33 |
| ATL BWI Hartsfield Jackson Atlanta International Airport – Baltimore/Washington International Thurgood Marshall Airport | 928 | 27.2 min | 69.7% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 85.7% | 0 |
| November 2024 | 27 | 26 | 80.8% | 1 |
| December 2024 | 29 | 29 | 55.2% | 0 |
| January 2025 | 32 | 31 | 83.9% | 1 |
| February 2025 | 31 | 31 | 93.6% | 0 |
| March 2025 | 31 | 31 | 77.4% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 31 | 31 | 96.8% | 0 |
| June 2025 | 34 | 34 | 76.5% | 0 |
| July 2025 | 35 | 35 | 62.9% | 0 |
| August 2025 | 39 | 39 | 64.1% | 0 |
| September 2025 | 39 | 39 | 71.8% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 27 | 27 | 70.4% | 0 |
| December 2025 | 29 | 29 | 79.3% | 0 |
| January 2026 | 30 | 30 | 96.7% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 31 | 31 | 83.9% | 0 |
| April 2026 | 12 | 12 | 91.7% | 0 |
| May 2026 | 10 | 10 | 90.0% | 0 |
| June 2026 | 4 | 4 | 100.0% | 0 |
| July 2026 | 5 | 5 | 100.0% | 0 |