WN597
WN597 (Southwest Airlines) is a multi-stop service on 33 routes, busiest Honolulu to Hilo. Of 742 departures recorded from October 2024 to July 2026, 71.3% left on time, according to the US BTS.
- On-time departures71.3%of 742 flights
- Average delay16.4 min
- July 202631▼ 24.4%vs July 2025
- Cancelled0.9%
- 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 | 52 | ▲ 67.7% |
| February | 28 | 19 | ▼ 32.1% |
| March | 21 | 31 | ▲ 47.6% |
| April | 42 | 30 | ▼ 28.6% |
| May | 48 | 31 | ▼ 35.4% |
| June | 40 | 30 | ▼ 25.0% |
| July | 41 | 31 | ▼ 24.4% |
| August | 41 | – | – |
| September | 39 | – | – |
| October | 30 | – | in progress |
| November | 33 | – | – |
| December | 47 | – | – |
| Year to date (Jan–Jul) | 251 | 224 | ▼ 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 | 96.8% | 82.7% | ▼ 14.5% |
| February | 100.0% | 79.0% | ▼ 21.0% |
| March | 52.4% | 34.5% | ▼ 34.2% |
| April | 78.6% | 44.8% | ▼ 42.9% |
| May | 87.5% | 32.3% | ▼ 63.1% |
| June | 57.9% | 50.0% | ▼ 13.6% |
| July | 59.0% | 38.7% | ▼ 34.4% |
| August | 73.2% | – | – |
| September | 76.9% | – | – |
| October | 93.3% | – | in progress |
| November | 81.8% | – | – |
| December | 68.1% | – | – |
| Year-to-date average (Jan–Jul) | 76.0% | 51.7% | ▼ 32.0% |
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 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 2 | 0 | ▼ 100.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 3 | ▼ 25.0% |
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 99.1% 735
- Cancelled 0.9% 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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 76.5% | 0 |
| November 2024 | 29 | 29 | 96.6% | 0 |
| December 2024 | 31 | 31 | 93.6% | 0 |
| January 2025 | 31 | 31 | 96.8% | 0 |
| February 2025 | 28 | 28 | 100.0% | 0 |
| March 2025 | 21 | 21 | 52.4% | 0 |
| April 2025 | 42 | 42 | 78.6% | 0 |
| May 2025 | 48 | 48 | 87.5% | 0 |
| June 2025 | 40 | 38 | 57.9% | 2 |
| July 2025 | 41 | 39 | 59.0% | 2 |
| August 2025 | 41 | 41 | 73.2% | 0 |
| September 2025 | 39 | 39 | 76.9% | 0 |
| October 2025 | 30 | 30 | 93.3% | 0 |
| November 2025 | 33 | 33 | 81.8% | 0 |
| December 2025 | 47 | 47 | 68.1% | 0 |
| January 2026 | 52 | 52 | 82.7% | 0 |
| February 2026 | 19 | 19 | 79.0% | 0 |
| March 2026 | 31 | 29 | 34.5% | 2 |
| April 2026 | 30 | 29 | 44.8% | 1 |
| May 2026 | 31 | 31 | 32.3% | 0 |
| June 2026 | 30 | 30 | 50.0% | 0 |
| July 2026 | 31 | 31 | 38.7% | 0 |