WN1551
WN1551 (Southwest Airlines) is a multi-stop service on 33 routes, busiest Honolulu to Kailua-Kona. Of 821 departures recorded from October 2024 to July 2026, 77.0% left on time, according to the US BTS.
- On-time departures77.0%of 821 flights
- Average delay13.1 min
- July 202631▼ 49.2%vs July 2025
- Cancelled1.3%
- Legs flown under this number33
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 | 32 | ▲ 3.2% |
| February | 28 | 28 | 0.0% |
| March | 59 | 31 | ▼ 47.5% |
| April | 47 | 37 | ▼ 21.3% |
| May | 39 | 39 | 0.0% |
| June | 51 | 31 | ▼ 39.2% |
| July | 61 | 31 | ▼ 49.2% |
| August | 34 | – | – |
| September | 34 | – | – |
| October | 30 | – | in progress |
| November | 51 | – | – |
| December | 45 | – | – |
| Year to date (Jan–Jul) | 316 | 229 | ▼ 27.5% |
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% | 74.2% | ▼ 25.8% |
| February | 100.0% | 67.9% | ▼ 32.1% |
| March | 94.7% | 86.7% | ▼ 8.5% |
| April | 89.4% | 62.2% | ▼ 30.4% |
| May | 92.3% | 33.3% | ▼ 63.9% |
| June | 84.3% | 30.0% | ▼ 64.4% |
| July | 77.1% | 16.1% | ▼ 79.1% |
| August | 73.5% | – | – |
| September | 67.7% | – | – |
| October | 96.7% | – | in progress |
| November | 77.1% | – | – |
| December | 79.6% | – | – |
| Year-to-date average (Jan–Jul) | 91.1% | 52.9% | ▼ 41.9% |
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 | 2 | 1 | ▼ 50.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 3 | 3 | 0.0% |
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 98.7% 810
- Cancelled 1.3% 11
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 | 22 | 22 | 86.4% | 0 |
| November 2024 | 29 | 29 | 96.6% | 0 |
| December 2024 | 31 | 30 | 100.0% | 1 |
| January 2025 | 31 | 30 | 100.0% | 1 |
| February 2025 | 28 | 28 | 100.0% | 0 |
| March 2025 | 59 | 57 | 94.7% | 2 |
| April 2025 | 47 | 47 | 89.4% | 0 |
| May 2025 | 39 | 39 | 92.3% | 0 |
| June 2025 | 51 | 51 | 84.3% | 0 |
| July 2025 | 61 | 61 | 77.1% | 0 |
| August 2025 | 34 | 34 | 73.5% | 0 |
| September 2025 | 34 | 34 | 67.7% | 0 |
| October 2025 | 30 | 30 | 96.7% | 0 |
| November 2025 | 51 | 48 | 77.1% | 3 |
| December 2025 | 45 | 44 | 79.6% | 1 |
| January 2026 | 32 | 31 | 74.2% | 1 |
| February 2026 | 28 | 28 | 67.9% | 0 |
| March 2026 | 31 | 30 | 86.7% | 1 |
| April 2026 | 37 | 37 | 62.2% | 0 |
| May 2026 | 39 | 39 | 33.3% | 0 |
| June 2026 | 31 | 30 | 30.0% | 1 |
| July 2026 | 31 | 31 | 16.1% | 0 |