WN1635
WN1635 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Oakland to Kailua-Kona. Of 629 departures recorded from October 2024 to July 2026, 82.5% left on time, according to the US BTS.
- On-time departures82.5%of 629 flights
- Average delay9.7 min
- July 202614▼ 12.5%vs July 2025
- Cancelled0.3%
- Legs flown under this number24
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 | 34 | ▲ 9.7% |
| February | 28 | 25 | ▼ 10.7% |
| March | 31 | 42 | ▲ 35.5% |
| April | 36 | 33 | ▼ 8.3% |
| May | 40 | 31 | ▼ 22.5% |
| June | 21 | 14 | ▼ 33.3% |
| July | 16 | 14 | ▼ 12.5% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 23 | – | – |
| December | 38 | – | – |
| Year to date (Jan–Jul) | 203 | 193 | ▼ 4.9% |
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 | 90.3% | 90.9% | ▲ 0.7% |
| February | 92.9% | 80.0% | ▼ 13.8% |
| March | 87.1% | 66.7% | ▼ 23.5% |
| April | 94.4% | 72.7% | ▼ 23.0% |
| May | 82.5% | 67.7% | ▼ 17.9% |
| June | 57.1% | 64.3% | ▲ 12.5% |
| July | 25.0% | 57.1% | ▲ 128.6% |
| August | 93.1% | – | – |
| September | 93.3% | – | – |
| October | 87.1% | – | in progress |
| November | 100.0% | – | – |
| December | 94.7% | – | – |
| Year-to-date average (Jan–Jul) | 75.6% | 71.4% | ▼ 5.6% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 1 |
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 99.7% 627
- Cancelled 0.3% 2
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 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 | 19 | 19 | 89.5% | 0 |
| November 2024 | 31 | 31 | 93.6% | 0 |
| December 2024 | 32 | 32 | 84.4% | 0 |
| January 2025 | 31 | 31 | 90.3% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 36 | 36 | 94.4% | 0 |
| May 2025 | 40 | 40 | 82.5% | 0 |
| June 2025 | 21 | 21 | 57.1% | 0 |
| July 2025 | 16 | 16 | 25.0% | 0 |
| August 2025 | 29 | 29 | 93.1% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 87.1% | 0 |
| November 2025 | 23 | 22 | 100.0% | 1 |
| December 2025 | 38 | 38 | 94.7% | 0 |
| January 2026 | 34 | 33 | 90.9% | 1 |
| February 2026 | 25 | 25 | 80.0% | 0 |
| March 2026 | 42 | 42 | 66.7% | 0 |
| April 2026 | 33 | 33 | 72.7% | 0 |
| May 2026 | 31 | 31 | 67.7% | 0 |
| June 2026 | 14 | 14 | 64.3% | 0 |
| July 2026 | 14 | 14 | 57.1% | 0 |