WN1913
WN1913 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Houston to Atlanta. Of 675 departures recorded from October 2024 to July 2026, 77.8% left on time, according to the US BTS.
- On-time departures77.8%of 675 flights
- Average delay10.2 min
- July 202631▲ 3.3%vs July 2025
- Cancelled1.3%
- Legs flown under this number30
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 25 | 32 | ▲ 28.0% |
| February | 21 | 42 | ▲ 100.0% |
| March | 30 | 33 | ▲ 10.0% |
| April | 41 | 30 | ▼ 26.8% |
| May | 42 | 31 | ▼ 26.2% |
| June | 33 | 30 | ▼ 9.1% |
| July | 30 | 31 | ▲ 3.3% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 41 | – | in progress |
| November | 22 | – | – |
| December | 19 | – | – |
| Year to date (Jan–Jul) | 222 | 229 | ▲ 3.2% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 95.2% | 83.3% | ▼ 12.5% |
| February | 76.2% | 92.9% | ▲ 21.9% |
| March | 66.7% | 57.6% | ▼ 13.6% |
| April | 73.2% | 76.7% | ▲ 4.8% |
| May | 76.2% | 48.4% | ▼ 36.5% |
| June | 62.5% | 100.0% | ▲ 60.0% |
| July | 71.4% | 100.0% | ▲ 40.0% |
| August | 90.0% | – | – |
| September | 86.7% | – | – |
| October | 87.8% | – | in progress |
| November | 72.7% | – | – |
| December | 57.9% | – | – |
| Year-to-date average (Jan–Jul) | 74.5% | 79.8% | ▲ 7.2% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 2 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 7 | 2 | ▼ 71.4% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.7% 666
- Cancelled 1.3% 9
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| HOU ATL William P. Hobby Airport – Hartsfield Jackson Atlanta International Airport | 1,118 | 6.1 min | 82.6% | 89 |
| HNL LAS Daniel K. Inouye International Airport – Harry Reid International Airport | 4,441 | -4.0 min | 100.0% | 58 |
| MDW JAX Chicago Midway International Airport – Jacksonville International Airport | 1,368 | 22.2 min | 63.8% | 58 |
| LAS SLC Harry Reid International Airport – Salt Lake City International Airport | 592 | 7.5 min | 75.9% | 58 |
| HOU MEM William P. Hobby Airport – Frederick W. Smith International Airport | 780 | 0.1 min | 94.2% | 53 |
| BNA BOS Nashville International Airport – Boston Logan International Airport | 1,514 | 17.8 min | 51.5% | 33 |
| SAN SJC San Diego International Airport – Mineta San Jose International Airport | 671 | 15.0 min | 84.4% | 32 |
| BWI RDU Baltimore/Washington International Thurgood Marshall Airport – Raleigh-Durham International Airport | 411 | 1.4 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 26 | 26 | 69.2% | 0 |
| November 2024 | 28 | 28 | 71.4% | 0 |
| December 2024 | 28 | 28 | 85.7% | 0 |
| January 2025 | 25 | 21 | 95.2% | 4 |
| February 2025 | 21 | 21 | 76.2% | 0 |
| March 2025 | 30 | 30 | 66.7% | 0 |
| April 2025 | 41 | 41 | 73.2% | 0 |
| May 2025 | 42 | 42 | 76.2% | 0 |
| June 2025 | 33 | 32 | 62.5% | 1 |
| July 2025 | 30 | 28 | 71.4% | 2 |
| August 2025 | 30 | 30 | 90.0% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 41 | 41 | 87.8% | 0 |
| November 2025 | 22 | 22 | 72.7% | 0 |
| December 2025 | 19 | 19 | 57.9% | 0 |
| January 2026 | 32 | 30 | 83.3% | 2 |
| February 2026 | 42 | 42 | 92.9% | 0 |
| March 2026 | 33 | 33 | 57.6% | 0 |
| April 2026 | 30 | 30 | 76.7% | 0 |
| May 2026 | 31 | 31 | 48.4% | 0 |
| June 2026 | 30 | 30 | 100.0% | 0 |
| July 2026 | 31 | 31 | 100.0% | 0 |