WN1337
WN1337 (Southwest Airlines) is a multi-stop service on 27 routes, busiest San Jose to Austin. Of 628 departures recorded from October 2024 to July 2026, 81.9% left on time, according to the US BTS.
- On-time departures81.9%of 628 flights
- Average delay7.2 min
- July 202626▼ 16.1%vs July 2025
- Cancelled0.8%
- Legs flown under this number27
according to the US BTS · Oct 13, 2024 → Jul 29, 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 | 31 | 31 | 0.0% |
| February | 28 | 28 | 0.0% |
| March | 47 | 47 | 0.0% |
| April | 35 | 31 | ▼ 11.4% |
| May | 31 | 25 | ▼ 19.4% |
| June | 30 | 25 | ▼ 16.7% |
| July | 31 | 26 | ▼ 16.1% |
| August | 16 | – | – |
| September | 13 | – | – |
| October | 23 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 233 | 213 | ▼ 8.6% |
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 | 90.0% | 90.3% | ▲ 0.4% |
| February | 78.6% | 75.0% | ▼ 4.5% |
| March | 89.4% | 71.7% | ▼ 19.7% |
| April | 94.3% | 93.6% | ▼ 0.8% |
| May | 93.6% | 52.0% | ▼ 44.4% |
| June | 86.7% | 64.0% | ▼ 26.2% |
| July | 83.9% | 62.5% | ▼ 25.5% |
| August | 81.3% | – | – |
| September | 92.3% | – | – |
| October | 52.2% | – | in progress |
| November | 96.6% | – | – |
| December | 90.3% | – | – |
| Year-to-date average (Jan–Jul) | 88.0% | 72.7% | ▼ 17.4% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
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 99.2% 623
- Cancelled 0.8% 5
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 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 |
|---|---|---|---|---|
| SJC AUS Mineta San Jose International Airport – Austin Bergstrom International Airport | 2,372 | 6.0 min | 85.7% | 85 |
| MSY TPA Louis Armstrong New Orleans International Airport – Tampa International Airport | 785 | -1.9 min | 95.3% | 64 |
| BNA STL Nashville International Airport – St. Louis Lambert International Airport | 437 | 6.1 min | 86.9% | 61 |
| MCO MKE Orlando International Airport – General Mitchell International Airport | 1,719 | 1.4 min | 91.4% | 58 |
| BWI STL Baltimore/Washington International Thurgood Marshall Airport – St. Louis Lambert International Airport | 1,185 | 8.9 min | 69.4% | 49 |
| LAS BUR Harry Reid International Airport – Hollywood Burbank/Bob Hope Airport | 359 | 8.8 min | 80.9% | 47 |
| RNO SAN Reno Tahoe International Airport – San Diego International Airport | 787 | 7.6 min | 93.9% | 33 |
| LAS MKE Harry Reid International Airport – General Mitchell International Airport | 2,447 | 14.0 min | 71.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 82.4% | 0 |
| November 2024 | 25 | 25 | 88.0% | 0 |
| December 2024 | 28 | 27 | 77.8% | 1 |
| January 2025 | 31 | 30 | 90.0% | 1 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 47 | 47 | 89.4% | 0 |
| April 2025 | 35 | 35 | 94.3% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 30 | 30 | 86.7% | 0 |
| July 2025 | 31 | 31 | 83.9% | 0 |
| August 2025 | 16 | 16 | 81.3% | 0 |
| September 2025 | 13 | 13 | 92.3% | 0 |
| October 2025 | 23 | 23 | 52.2% | 0 |
| November 2025 | 29 | 29 | 96.6% | 0 |
| December 2025 | 31 | 31 | 90.3% | 0 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 28 | 28 | 75.0% | 0 |
| March 2026 | 47 | 46 | 71.7% | 1 |
| April 2026 | 31 | 31 | 93.6% | 0 |
| May 2026 | 25 | 25 | 52.0% | 0 |
| June 2026 | 25 | 25 | 64.0% | 0 |
| July 2026 | 26 | 24 | 62.5% | 2 |