WN1240
WN1240 (Southwest Airlines) is a multi-stop service on 39 routes, busiest Los Angeles to Austin. Of 727 departures recorded from October 2024 to July 2026, 82.5% left on time, according to the US BTS.
- On-time departures82.5%of 727 flights
- Average delay7.6 min
- July 202652▲ 67.7%vs July 2025
- Cancelled1.7%
- Legs flown under this number39
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 | 49 | 19 | ▼ 61.2% |
| February | 37 | 40 | ▲ 8.1% |
| March | 45 | 27 | ▼ 40.0% |
| April | 39 | 34 | ▼ 12.8% |
| May | 38 | 34 | ▼ 10.5% |
| June | 31 | 52 | ▲ 67.7% |
| July | 31 | 52 | ▲ 67.7% |
| August | 11 | – | – |
| September | 8 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 270 | 258 | ▼ 4.4% |
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 | 93.0% | 68.8% | ▼ 26.1% |
| February | 83.8% | 70.0% | ▼ 16.4% |
| March | 76.7% | 48.2% | ▼ 37.3% |
| April | 82.1% | 85.3% | ▲ 3.9% |
| May | 57.9% | 94.1% | ▲ 62.6% |
| June | 93.6% | 80.8% | ▼ 13.7% |
| July | 74.2% | 90.2% | ▲ 21.6% |
| August | 90.9% | – | – |
| September | 75.0% | – | – |
| October | 83.3% | – | in progress |
| November | 83.3% | – | – |
| December | 90.3% | – | – |
| Year-to-date average (Jan–Jul) | 80.2% | 76.8% | ▼ 4.3% |
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 | 6 | 3 | ▼ 50.0% |
| February | 0 | 0 | – |
| March | 2 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 8 | 4 | ▼ 50.0% |
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% 715
- Cancelled 1.7% 12
Share of all recorded flights in the period, all legs. · Oct 13, 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 |
|---|---|---|---|---|
| LAX AUS Los Angeles International Airport – Austin Bergstrom International Airport | 1,995 | 11.7 min | 83.6% | 61 |
| DEN OAK Denver International Airport – Oakland San Francisco Bay Airport | 1,537 | 4.1 min | 91.2% | 58 |
| MDW BOS Chicago Midway International Airport – Boston Logan International Airport | 1,381 | 17.6 min | 66.7% | 57 |
| AUS TPA Austin Bergstrom International Airport – Tampa International Airport | 1,490 | 0.8 min | 93.9% | 49 |
| MCI BNA Kansas City International Airport – Nashville International Airport | 790 | 7.5 min | 83.3% | 42 |
| SMF LAS Sacramento International Airport – Harry Reid International Airport | 639 | -0.3 min | 100.0% | 41 |
| OAK SNA Oakland San Francisco Bay Airport – John Wayne Orange County International Airport | 597 | 11.0 min | 76.5% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 24 | 24 | 91.7% | 0 |
| November 2024 | 32 | 32 | 100.0% | 0 |
| December 2024 | 33 | 33 | 93.9% | 0 |
| January 2025 | 49 | 43 | 93.0% | 6 |
| February 2025 | 37 | 37 | 83.8% | 0 |
| March 2025 | 45 | 43 | 76.7% | 2 |
| April 2025 | 39 | 39 | 82.1% | 0 |
| May 2025 | 38 | 38 | 57.9% | 0 |
| June 2025 | 31 | 31 | 93.6% | 0 |
| July 2025 | 31 | 31 | 74.2% | 0 |
| August 2025 | 11 | 11 | 90.9% | 0 |
| September 2025 | 8 | 8 | 75.0% | 0 |
| October 2025 | 30 | 30 | 83.3% | 0 |
| November 2025 | 30 | 30 | 83.3% | 0 |
| December 2025 | 31 | 31 | 90.3% | 0 |
| January 2026 | 19 | 16 | 68.8% | 3 |
| February 2026 | 40 | 40 | 70.0% | 0 |
| March 2026 | 27 | 27 | 48.2% | 0 |
| April 2026 | 34 | 34 | 85.3% | 0 |
| May 2026 | 34 | 34 | 94.1% | 0 |
| June 2026 | 52 | 52 | 80.8% | 0 |
| July 2026 | 52 | 51 | 90.2% | 1 |