WN1428
WN1428 (Southwest Airlines) is a multi-stop service on 35 routes, busiest Long Beach to Oakland. Of 616 departures recorded from October 2024 to July 2026, 75.7% left on time, according to the US BTS.
- On-time departures75.7%of 616 flights
- Average delay11.7 min
- July 202628▼ 6.7%vs July 2025
- Cancelled2.0%
- Legs flown under this number35
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 | 11 | ▼ 64.5% |
| February | 28 | 15 | ▼ 46.4% |
| March | 35 | 31 | ▼ 11.4% |
| April | 37 | 16 | ▼ 56.8% |
| May | 39 | 17 | ▼ 56.4% |
| June | 31 | 25 | ▼ 19.4% |
| July | 30 | 28 | ▼ 6.7% |
| August | 27 | – | – |
| September | 25 | – | – |
| October | 39 | – | in progress |
| November | 36 | – | – |
| December | 40 | – | – |
| Year to date (Jan–Jul) | 231 | 143 | ▼ 38.1% |
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% | 50.0% | ▼ 50.0% |
| February | 96.4% | 40.0% | ▼ 58.5% |
| March | 42.9% | 93.6% | ▲ 118.3% |
| April | 73.0% | 100.0% | ▲ 37.0% |
| May | 69.2% | 100.0% | ▲ 44.4% |
| June | 74.2% | 38.1% | ▼ 48.6% |
| July | 80.0% | 47.8% | ▼ 40.2% |
| August | 70.4% | – | – |
| September | 84.0% | – | – |
| October | 74.4% | – | in progress |
| November | 75.0% | – | – |
| December | 67.5% | – | – |
| Year-to-date average (Jan–Jul) | 76.5% | 67.1% | ▼ 12.4% |
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 | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 4 | – |
| July | 0 | 5 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 10 | ▲ 900.0% |
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 98.1% 604
- Cancelled 1.9% 12
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LGB OAK Long Beach International Airport – Oakland San Francisco Bay Airport | 569 | -3.4 min | 97.4% | 118 |
| BOS DEN Boston Logan International Airport – Denver International Airport | 2,816 | 14.3 min | 75.0% | 60 |
| SAN MDW San Diego International Airport – Chicago Midway International Airport | 2,776 | 10.1 min | 71.9% | 57 |
| DCA BNA Ronald Reagan Washington National Airport – Nashville International Airport | 903 | 43.8 min | 39.0% | 50 |
| IND MCI Indianapolis International Airport – Kansas City International Airport | 724 | 8.7 min | 84.1% | 44 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 14 | 14 | 85.7% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 31 | 30 | 96.7% | 1 |
| January 2025 | 31 | 30 | 100.0% | 1 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 35 | 35 | 42.9% | 0 |
| April 2025 | 37 | 37 | 73.0% | 0 |
| May 2025 | 39 | 39 | 69.2% | 0 |
| June 2025 | 31 | 31 | 74.2% | 0 |
| July 2025 | 30 | 30 | 80.0% | 0 |
| August 2025 | 27 | 27 | 70.4% | 0 |
| September 2025 | 25 | 25 | 84.0% | 0 |
| October 2025 | 39 | 39 | 74.4% | 0 |
| November 2025 | 36 | 36 | 75.0% | 0 |
| December 2025 | 40 | 40 | 67.5% | 0 |
| January 2026 | 11 | 10 | 50.0% | 1 |
| February 2026 | 15 | 15 | 40.0% | 0 |
| March 2026 | 31 | 31 | 93.6% | 0 |
| April 2026 | 16 | 16 | 100.0% | 0 |
| May 2026 | 17 | 17 | 100.0% | 0 |
| June 2026 | 25 | 21 | 38.1% | 4 |
| July 2026 | 28 | 23 | 47.8% | 5 |