WN634
WN634 (Southwest Airlines) is a multi-stop service on 35 routes, busiest Phoenix to Santa Ana. Of 829 departures recorded from October 2024 to July 2026, 75.9% left on time, according to the US BTS.
- On-time departures75.9%of 829 flights
- Average delay11.9 min
- July 202631▲ 3.3%vs July 2025
- Cancelled0.8%
- Legs flown under this number35
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 | 43 | 33 | ▼ 23.3% |
| February | 35 | 28 | ▼ 20.0% |
| March | 32 | 24 | ▼ 25.0% |
| April | 30 | 29 | ▼ 3.3% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 30 | 31 | ▲ 3.3% |
| August | 38 | – | – |
| September | 38 | – | – |
| October | 43 | – | in progress |
| November | 51 | – | – |
| December | 49 | – | – |
| Year to date (Jan–Jul) | 231 | 206 | ▼ 10.8% |
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 | 88.1% | 69.7% | ▼ 20.9% |
| February | 88.6% | 66.7% | ▼ 24.7% |
| March | 96.9% | 66.7% | ▼ 31.2% |
| April | 80.0% | 96.6% | ▲ 20.7% |
| May | 58.6% | 87.1% | ▲ 48.6% |
| June | 83.3% | 23.3% | ▼ 72.0% |
| July | 73.3% | 29.0% | ▼ 60.4% |
| August | 81.6% | – | – |
| September | 89.5% | – | – |
| October | 69.8% | – | in progress |
| November | 82.0% | – | – |
| December | 71.4% | – | – |
| Year-to-date average (Jan–Jul) | 81.3% | 62.7% | ▼ 22.8% |
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 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 2 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 66.7% |
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 99.2% 822
- Cancelled 0.8% 7
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 30 | 30 | 66.7% | 0 |
| November 2024 | 74 | 74 | 86.5% | 0 |
| December 2024 | 69 | 67 | 80.6% | 2 |
| January 2025 | 43 | 42 | 88.1% | 1 |
| February 2025 | 35 | 35 | 88.6% | 0 |
| March 2025 | 32 | 32 | 96.9% | 0 |
| April 2025 | 30 | 30 | 80.0% | 0 |
| May 2025 | 31 | 29 | 58.6% | 2 |
| June 2025 | 30 | 30 | 83.3% | 0 |
| July 2025 | 30 | 30 | 73.3% | 0 |
| August 2025 | 38 | 38 | 81.6% | 0 |
| September 2025 | 38 | 38 | 89.5% | 0 |
| October 2025 | 43 | 43 | 69.8% | 0 |
| November 2025 | 51 | 50 | 82.0% | 1 |
| December 2025 | 49 | 49 | 71.4% | 0 |
| January 2026 | 33 | 33 | 69.7% | 0 |
| February 2026 | 28 | 27 | 66.7% | 1 |
| March 2026 | 24 | 24 | 66.7% | 0 |
| April 2026 | 29 | 29 | 96.6% | 0 |
| May 2026 | 31 | 31 | 87.1% | 0 |
| June 2026 | 30 | 30 | 23.3% | 0 |
| July 2026 | 31 | 31 | 29.0% | 0 |