WN398
WN398 (Southwest Airlines) is a multi-stop service on 40 routes, busiest Oakland to Long Beach. Of 804 departures recorded from October 2024 to July 2026, 70.9% left on time, according to the US BTS.
- On-time departures70.9%of 804 flights
- Average delay15.2 min
- July 202632▼ 51.5%vs July 2025
- Cancelled0.9%
- Legs flown under this number40
according to the US BTS · Oct 12, 2024 → Jul 31, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 36 | 31 | ▼ 13.9% |
| February | 35 | 28 | ▼ 20.0% |
| March | 26 | 31 | ▲ 19.2% |
| April | 44 | 30 | ▼ 31.8% |
| May | 46 | 31 | ▼ 32.6% |
| June | 64 | 30 | ▼ 53.1% |
| July | 66 | 32 | ▼ 51.5% |
| August | 46 | – | – |
| September | 43 | – | – |
| October | 38 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 317 | 213 | ▼ 32.8% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 77.8% | 83.9% | ▲ 7.8% |
| February | 77.1% | 78.6% | ▲ 1.9% |
| March | 80.8% | 46.7% | ▼ 42.2% |
| April | 83.7% | 90.0% | ▲ 7.5% |
| May | 82.6% | 90.3% | ▲ 9.3% |
| June | 49.2% | 83.3% | ▲ 69.3% |
| July | 41.5% | 96.9% | ▲ 133.2% |
| August | 60.0% | – | – |
| September | 39.5% | – | – |
| October | 89.5% | – | in progress |
| November | 66.7% | – | – |
| December | 58.6% | – | – |
| Year-to-date average (Jan–Jul) | 70.4% | 81.4% | ▲ 15.6% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 66.7% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.1% 797
- Cancelled 0.9% 7
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| OAK LGB Oakland San Francisco Bay Airport – Long Beach International Airport | 569 | 8.0 min | 78.5% | 93 |
| ATL LGA Hartsfield Jackson Atlanta International Airport – LaGuardia Airport | 1,225 | 30.5 min | 61.3% | 64 |
| DAL CLT Dallas Love Field – Charlotte Douglas International Airport | 1,487 | 26.8 min | 43.3% | 60 |
| HOU HRL William P. Hobby Airport – Valley International Airport | 446 | 2.6 min | 82.8% | 58 |
| AUS MDW Austin Bergstrom International Airport – Chicago Midway International Airport | 1,565 | 3.8 min | 93.1% | 58 |
| AUS SJC Austin Bergstrom International Airport – Mineta San Jose International Airport | 2,372 | 3.1 min | 89.5% | 57 |
| ELP PHX El Paso International Airport – Phoenix Sky Harbor International Airport | 557 | 9.7 min | 85.4% | 49 |
| LAS LAX Harry Reid International Airport – Los Angeles International Airport | 380 | 28.5 min | 45.2% | 42 |
| DEN TPA Denver International Airport – Tampa International Airport | 2,423 | 41.0 min | 46.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 91.3% | 0 |
| November 2024 | 34 | 34 | 85.3% | 0 |
| December 2024 | 29 | 29 | 65.5% | 0 |
| January 2025 | 36 | 36 | 77.8% | 0 |
| February 2025 | 35 | 35 | 77.1% | 0 |
| March 2025 | 26 | 26 | 80.8% | 0 |
| April 2025 | 44 | 43 | 83.7% | 1 |
| May 2025 | 46 | 46 | 82.6% | 0 |
| June 2025 | 64 | 63 | 49.2% | 1 |
| July 2025 | 66 | 65 | 41.5% | 1 |
| August 2025 | 46 | 45 | 60.0% | 1 |
| September 2025 | 43 | 43 | 39.5% | 0 |
| October 2025 | 38 | 38 | 89.5% | 0 |
| November 2025 | 30 | 30 | 66.7% | 0 |
| December 2025 | 31 | 29 | 58.6% | 2 |
| January 2026 | 31 | 31 | 83.9% | 0 |
| February 2026 | 28 | 28 | 78.6% | 0 |
| March 2026 | 31 | 30 | 46.7% | 1 |
| April 2026 | 30 | 30 | 90.0% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 30 | 30 | 83.3% | 0 |
| July 2026 | 32 | 32 | 96.9% | 0 |