WN3438
WN3438 (Southwest Airlines) is a multi-stop service on 37 routes, busiest Santa Ana to Denver. Of 792 departures recorded from October 2024 to July 2026, 73.4% left on time, according to the US BTS.
- On-time departures73.4%of 792 flights
- Average delay13.6 min
- July 202631▲ 675.0%vs July 2025
- Cancelled0.5%
- Legs flown under this number37
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 43 | 5 | ▼ 88.4% |
| February | 69 | – | – |
| March | 44 | 51 | ▲ 15.9% |
| April | 41 | 69 | ▲ 68.3% |
| May | 44 | 74 | ▲ 68.2% |
| June | 9 | 33 | ▲ 266.7% |
| July | 4 | 31 | ▲ 675.0% |
| August | 43 | – | – |
| September | 46 | – | – |
| October | 39 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 72.1% | 75.0% | ▲ 4.0% |
| February | 79.7% | – | – |
| March | 72.1% | 56.9% | ▼ 21.1% |
| April | 61.0% | 71.0% | ▲ 16.4% |
| May | 86.4% | 63.5% | ▼ 26.5% |
| June | 77.8% | 84.4% | ▲ 8.5% |
| July | 25.0% | 96.8% | ▲ 287.1% |
| August | 95.4% | – | – |
| September | 93.3% | – | – |
| October | 53.9% | – | in progress |
| November | 82.8% | – | – |
| December | 41.9% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | – | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 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 99.5% 788
- Cancelled 0.5% 4
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 12 | 12 | 75.0% | 0 |
| November 2024 | 30 | 30 | 70.0% | 0 |
| December 2024 | 45 | 45 | 75.6% | 0 |
| January 2025 | 43 | 43 | 72.1% | 0 |
| February 2025 | 69 | 69 | 79.7% | 0 |
| March 2025 | 44 | 43 | 72.1% | 1 |
| April 2025 | 41 | 41 | 61.0% | 0 |
| May 2025 | 44 | 44 | 86.4% | 0 |
| June 2025 | 9 | 9 | 77.8% | 0 |
| July 2025 | 4 | 4 | 25.0% | 0 |
| August 2025 | 43 | 43 | 95.4% | 0 |
| September 2025 | 46 | 45 | 93.3% | 1 |
| October 2025 | 39 | 39 | 53.9% | 0 |
| November 2025 | 29 | 29 | 82.8% | 0 |
| December 2025 | 31 | 31 | 41.9% | 0 |
| January 2026 | 5 | 4 | 75.0% | 1 |
| March 2026 | 51 | 51 | 56.9% | 0 |
| April 2026 | 69 | 69 | 71.0% | 0 |
| May 2026 | 74 | 74 | 63.5% | 0 |
| June 2026 | 33 | 32 | 84.4% | 1 |
| July 2026 | 31 | 31 | 96.8% | 0 |