WN3123
WN3123 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Oakland to Chicago. Of 452 departures recorded from October 2024 to July 2026, 70.1% left on time, according to the US BTS.
- On-time departures70.1%of 452 flights
- Average delay17.0 min
- July 202636▲ 38.5%vs July 2025
- Cancelled1.6%
- Legs flown under this number22
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 | 6 | 31 | ▲ 416.7% |
| February | 10 | 21 | ▲ 110.0% |
| March | 27 | 30 | ▲ 11.1% |
| April | 7 | 25 | ▲ 257.1% |
| May | 1 | 26 | ▲ 2,500.0% |
| June | 22 | 31 | ▲ 40.9% |
| July | 26 | 36 | ▲ 38.5% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 1 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 99 | 200 | ▲ 102.0% |
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 | 83.3% | 86.7% | ▲ 4.0% |
| February | 100.0% | 61.9% | ▼ 38.1% |
| March | 88.9% | 58.6% | ▼ 34.1% |
| April | 100.0% | 60.0% | ▼ 40.0% |
| May | 0.0% | 61.5% | – |
| June | 68.2% | 44.8% | ▼ 34.2% |
| July | 53.9% | 48.6% | ▼ 9.8% |
| August | 83.3% | – | – |
| September | 90.0% | – | – |
| October | 100.0% | – | in progress |
| November | 74.1% | – | – |
| December | 74.2% | – | – |
| Year-to-date average (Jan–Jul) | 70.6% | 60.3% | ▼ 14.6% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 2 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 5 |
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 98.5% 445
- Cancelled 1.5% 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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| OAK MDW Oakland San Francisco Bay Airport – Chicago Midway International Airport | 2,961 | 5.7 min | 89.5% | 57 |
| OKC MDW OKC Will Rogers World Airport – Chicago Midway International Airport | 1,111 | 20.8 min | 56.3% | 50 |
| PIT MCO Pittsburgh International Airport – Orlando International Airport | 1,345 | 9.9 min | 73.9% | 47 |
| MDW JAX Chicago Midway International Airport – Jacksonville International Airport | 1,368 | 7.8 min | 75.0% | 45 |
| LAS BUR Harry Reid International Airport – Hollywood Burbank/Bob Hope Airport | 359 | 23.7 min | 64.1% | 39 |
| BDL MDW Bradley International Airport – Chicago Midway International Airport | 1,246 | 40.3 min | 64.7% | 34 |
| MDW ONT Chicago Midway International Airport – Ontario International Airport | 2,740 | 18.9 min | 62.5% | 33 |
| DCA STL Ronald Reagan Washington National Airport – St. Louis Lambert International Airport | 1,154 | 5.2 min | 90.9% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 93.3% | 0 |
| November 2024 | 5 | 5 | 60.0% | 0 |
| December 2024 | 12 | 12 | 58.3% | 0 |
| January 2025 | 6 | 6 | 83.3% | 0 |
| February 2025 | 10 | 10 | 100.0% | 0 |
| March 2025 | 27 | 27 | 88.9% | 0 |
| April 2025 | 7 | 7 | 100.0% | 0 |
| May 2025 | 1 | 1 | 0.0% | 0 |
| June 2025 | 22 | 22 | 68.2% | 0 |
| July 2025 | 26 | 26 | 53.9% | 0 |
| August 2025 | 30 | 30 | 83.3% | 0 |
| September 2025 | 30 | 30 | 90.0% | 0 |
| October 2025 | 1 | 1 | 100.0% | 0 |
| November 2025 | 29 | 27 | 74.1% | 2 |
| December 2025 | 31 | 31 | 74.2% | 0 |
| January 2026 | 31 | 30 | 86.7% | 1 |
| February 2026 | 21 | 21 | 61.9% | 0 |
| March 2026 | 30 | 29 | 58.6% | 1 |
| April 2026 | 25 | 25 | 60.0% | 0 |
| May 2026 | 26 | 26 | 61.5% | 0 |
| June 2026 | 31 | 29 | 44.8% | 2 |
| July 2026 | 36 | 35 | 48.6% | 1 |