WN430
WN430 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Las Vegas to Portland. Of 669 departures recorded from October 2024 to July 2026, 81.9% left on time, according to the US BTS.
- On-time departures81.9%of 669 flights
- Average delay8.9 min
- July 202631▲ 14.8%vs July 2025
- Cancelled0.8%
- Legs flown under this number34
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 | 31 | 42 | ▲ 35.5% |
| February | 20 | 51 | ▲ 155.0% |
| March | 24 | 34 | ▲ 41.7% |
| April | 28 | 30 | ▲ 7.1% |
| May | 30 | 29 | ▼ 3.3% |
| June | 26 | 29 | ▲ 11.5% |
| July | 27 | 31 | ▲ 14.8% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 35 | – | in progress |
| November | 31 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 186 | 246 | ▲ 32.3% |
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 | 80.7% | 64.3% | ▼ 20.3% |
| February | 85.0% | 90.0% | ▲ 5.9% |
| March | 100.0% | 75.0% | ▼ 25.0% |
| April | 89.3% | 70.0% | ▼ 21.6% |
| May | 96.7% | 62.1% | ▼ 35.8% |
| June | 69.2% | 96.4% | ▲ 39.3% |
| July | 63.0% | 83.9% | ▲ 33.2% |
| August | 80.0% | – | – |
| September | 86.7% | – | – |
| October | 88.6% | – | in progress |
| November | 83.9% | – | – |
| December | 81.8% | – | – |
| Year-to-date average (Jan–Jul) | 83.4% | 77.4% | ▼ 7.2% |
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 | 0 | 0 | – |
| February | 0 | 1 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 4 |
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 99.3% 664
- Cancelled 0.7% 5
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
11Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 18 | 18 | 88.9% | 0 |
| November 2024 | 29 | 28 | 85.7% | 1 |
| December 2024 | 31 | 31 | 87.1% | 0 |
| January 2025 | 31 | 31 | 80.7% | 0 |
| February 2025 | 20 | 20 | 85.0% | 0 |
| March 2025 | 24 | 24 | 100.0% | 0 |
| April 2025 | 28 | 28 | 89.3% | 0 |
| May 2025 | 30 | 30 | 96.7% | 0 |
| June 2025 | 26 | 26 | 69.2% | 0 |
| July 2025 | 27 | 27 | 63.0% | 0 |
| August 2025 | 30 | 30 | 80.0% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 35 | 35 | 88.6% | 0 |
| November 2025 | 31 | 31 | 83.9% | 0 |
| December 2025 | 33 | 33 | 81.8% | 0 |
| January 2026 | 42 | 42 | 64.3% | 0 |
| February 2026 | 51 | 50 | 90.0% | 1 |
| March 2026 | 34 | 32 | 75.0% | 2 |
| April 2026 | 30 | 30 | 70.0% | 0 |
| May 2026 | 29 | 29 | 62.1% | 0 |
| June 2026 | 29 | 28 | 96.4% | 1 |
| July 2026 | 31 | 31 | 83.9% | 0 |