WN1938
WN1938 (Southwest Airlines) is a multi-stop service on 37 routes, busiest Las Vegas to Oakland. Of 786 departures recorded from October 2024 to July 2026, 81.0% left on time, according to the US BTS.
- On-time departures81.0%of 786 flights
- Average delay10.5 min
- July 202635▲ 20.7%vs July 2025
- Cancelled0.4%
- Legs flown under this number37
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 | 27 | ▼ 15.6% |
| February | 20 | 27 | ▲ 35.0% |
| March | 42 | 74 | ▲ 76.2% |
| April | 42 | 40 | ▼ 4.8% |
| May | 45 | 31 | ▼ 31.1% |
| June | 33 | 34 | ▲ 3.0% |
| July | 29 | 35 | ▲ 20.7% |
| August | 34 | – | – |
| September | 34 | – | – |
| October | 39 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 243 | 268 | ▲ 10.3% |
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 | 100.0% | 84.6% | ▼ 15.4% |
| February | 95.0% | 81.5% | ▼ 14.2% |
| March | 97.6% | 75.7% | ▼ 22.5% |
| April | 83.3% | 85.0% | ▲ 2.0% |
| May | 79.6% | 74.2% | ▼ 6.7% |
| June | 66.7% | 88.2% | ▲ 32.4% |
| July | 69.0% | 97.1% | ▲ 40.8% |
| August | 58.8% | – | – |
| September | 91.2% | – | – |
| October | 71.8% | – | in progress |
| November | 93.3% | – | – |
| December | 71.0% | – | – |
| Year-to-date average (Jan–Jul) | 84.4% | 83.8% | ▼ 0.8% |
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 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 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 99.6% 783
- Cancelled 0.4% 3
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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 39 | 39 | 87.2% | 0 |
| November 2024 | 30 | 30 | 80.0% | 0 |
| December 2024 | 38 | 38 | 60.5% | 0 |
| January 2025 | 32 | 31 | 100.0% | 1 |
| February 2025 | 20 | 20 | 95.0% | 0 |
| March 2025 | 42 | 42 | 97.6% | 0 |
| April 2025 | 42 | 42 | 83.3% | 0 |
| May 2025 | 45 | 44 | 79.6% | 1 |
| June 2025 | 33 | 33 | 66.7% | 0 |
| July 2025 | 29 | 29 | 69.0% | 0 |
| August 2025 | 34 | 34 | 58.8% | 0 |
| September 2025 | 34 | 34 | 91.2% | 0 |
| October 2025 | 39 | 39 | 71.8% | 0 |
| November 2025 | 30 | 30 | 93.3% | 0 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 27 | 26 | 84.6% | 1 |
| February 2026 | 27 | 27 | 81.5% | 0 |
| March 2026 | 74 | 74 | 75.7% | 0 |
| April 2026 | 40 | 40 | 85.0% | 0 |
| May 2026 | 31 | 31 | 74.2% | 0 |
| June 2026 | 34 | 34 | 88.2% | 0 |
| July 2026 | 35 | 35 | 97.1% | 0 |