WN4384
WN4384 (Southwest Airlines) is a multi-stop service on 19 routes, busiest San Diego to Honolulu. Of 518 departures recorded from October 2024 to July 2026, 74.2% left on time, according to the US BTS.
- On-time departures74.2%of 518 flights
- Average delay10.5 min
- July 202630▼ 3.2%vs July 2025
- Cancelled0.6%
- Legs flown under this number19
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 | 45 | 29 | ▼ 35.6% |
| February | 32 | 28 | ▼ 12.5% |
| March | 44 | 19 | ▼ 56.8% |
| April | 19 | 27 | ▲ 42.1% |
| May | 14 | 30 | ▲ 114.3% |
| June | 27 | 30 | ▲ 11.1% |
| July | 31 | 30 | ▼ 3.2% |
| August | 36 | – | – |
| September | 38 | – | – |
| October | 5 | – | in progress |
| November | 4 | – | – |
| December | 11 | – | – |
| Year to date (Jan–Jul) | 212 | 193 | ▼ 9.0% |
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 | 95.2% | 86.2% | ▼ 9.5% |
| February | 87.5% | 64.3% | ▼ 26.5% |
| March | 65.9% | 36.8% | ▼ 44.1% |
| April | 73.7% | 44.4% | ▼ 39.7% |
| May | 85.7% | 56.7% | ▼ 33.9% |
| June | 88.9% | 40.0% | ▼ 55.0% |
| July | 90.3% | 70.0% | ▼ 22.5% |
| August | 88.9% | – | – |
| September | 89.5% | – | – |
| October | 60.0% | – | in progress |
| November | 100.0% | – | – |
| December | 81.8% | – | – |
| Year-to-date average (Jan–Jul) | 83.9% | 56.9% | ▼ 32.1% |
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 | 3 | 0 | ▼ 100.0% |
| 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 | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 0 | ▼ 100.0% |
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 99.4% 515
- Cancelled 0.6% 3
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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SAN HNL San Diego International Airport – Daniel K. Inouye International Airport | 4,201 | 2.0 min | 90.2% | 61 |
| HDN DEN Yampa Valley Airport – Denver International Airport | 227 | 13.4 min | 77.6% | 58 |
| STL CLE St. Louis Lambert International Airport – Cleveland Hopkins International Airport | 783 | 0.2 min | 93.0% | 57 |
| SMF STL Sacramento International Airport – St. Louis Lambert International Airport | 2,695 | 16.8 min | 52.6% | 57 |
| DEN JAX Denver International Airport – Jacksonville International Airport | 2,325 | 18.1 min | 56.1% | 57 |
| DAL TUL Dallas Love Field – Tulsa International Airport | 383 | -2.3 min | 92.5% | 42 |
| DJT ISP President Donald J. Trump International Airport – Long Island MacArthur Airport | 1,696 | 21.2 min | 69.7% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 69.2% | 0 |
| November 2024 | 4 | 4 | 100.0% | 0 |
| December 2024 | 2 | 2 | 0.0% | 0 |
| January 2025 | 45 | 42 | 95.2% | 3 |
| February 2025 | 32 | 32 | 87.5% | 0 |
| March 2025 | 44 | 44 | 65.9% | 0 |
| April 2025 | 19 | 19 | 73.7% | 0 |
| May 2025 | 14 | 14 | 85.7% | 0 |
| June 2025 | 27 | 27 | 88.9% | 0 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 36 | 36 | 88.9% | 0 |
| September 2025 | 38 | 38 | 89.5% | 0 |
| October 2025 | 5 | 5 | 60.0% | 0 |
| November 2025 | 4 | 4 | 100.0% | 0 |
| December 2025 | 11 | 11 | 81.8% | 0 |
| January 2026 | 29 | 29 | 86.2% | 0 |
| February 2026 | 28 | 28 | 64.3% | 0 |
| March 2026 | 19 | 19 | 36.8% | 0 |
| April 2026 | 27 | 27 | 44.4% | 0 |
| May 2026 | 30 | 30 | 56.7% | 0 |
| June 2026 | 30 | 30 | 40.0% | 0 |
| July 2026 | 30 | 30 | 70.0% | 0 |