WN4102
WN4102 (Southwest Airlines) is a multi-stop service on 26 routes, busiest St Louis to Oklahoma City. Of 514 departures recorded from October 2024 to July 2026, 75.7% left on time, according to the US BTS.
- On-time departures75.7%of 514 flights
- Average delay12.6 min
- July 202630▼ 3.2%vs July 2025
- Cancelled0.6%
- Legs flown under this number26
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 | 1 | 2 | ▲ 100.0% |
| February | 10 | 3 | ▼ 70.0% |
| March | 32 | 32 | 0.0% |
| April | 31 | 28 | ▼ 9.7% |
| May | 32 | 26 | ▼ 18.8% |
| June | 30 | 26 | ▼ 13.3% |
| July | 31 | 30 | ▼ 3.2% |
| August | 27 | – | – |
| September | 26 | – | – |
| October | 63 | – | in progress |
| November | 25 | – | – |
| December | 20 | – | – |
| Year to date (Jan–Jul) | 167 | 147 | ▼ 12.0% |
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 | 100.0% | 100.0% | 0.0% |
| February | 80.0% | 33.3% | ▼ 58.3% |
| March | 40.6% | 87.5% | ▲ 115.4% |
| April | 67.7% | 96.4% | ▲ 42.4% |
| May | 65.6% | 92.3% | ▲ 40.7% |
| June | 96.7% | 84.0% | ▼ 13.1% |
| July | 77.4% | 70.0% | ▼ 9.6% |
| August | 77.8% | – | – |
| September | 84.0% | – | – |
| October | 63.5% | – | in progress |
| November | 70.8% | – | – |
| December | 85.0% | – | – |
| Year-to-date average (Jan–Jul) | 75.4% | 80.5% | ▲ 6.7% |
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 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 1 |
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 99.4% 511
- 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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL OKC St. Louis Lambert International Airport – OKC Will Rogers World Airport | 742 | 5.9 min | 86.9% | 61 |
| RNO SAN Reno Tahoe International Airport – San Diego International Airport | 787 | 8.2 min | 75.9% | 58 |
| SJC SAN Mineta San Jose International Airport – San Diego International Airport | 671 | 0.6 min | 94.0% | 50 |
| PHX SMF Phoenix Sky Harbor International Airport – Sacramento International Airport | 1,040 | 10.9 min | 79.6% | 50 |
| PHX SJC Phoenix Sky Harbor International Airport – Mineta San Jose International Airport | 999 | 12.0 min | 79.6% | 50 |
| PHX PDX Phoenix Sky Harbor International Airport – Portland International Airport | 1,625 | 11.0 min | 77.8% | 46 |
| OAK SNA Oakland San Francisco Bay Airport – John Wayne Orange County International Airport | 597 | 6.0 min | 87.9% | 33 |
| FLL CMH Fort Lauderdale Hollywood International Airport – John Glenn Columbus International Airport | 1,569 | 48.7 min | 39.4% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 65.0% | 0 |
| November 2024 | 15 | 15 | 86.7% | 0 |
| December 2024 | 4 | 4 | 100.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| February 2025 | 10 | 10 | 80.0% | 0 |
| March 2025 | 32 | 32 | 40.6% | 0 |
| April 2025 | 31 | 31 | 67.7% | 0 |
| May 2025 | 32 | 32 | 65.6% | 0 |
| June 2025 | 30 | 30 | 96.7% | 0 |
| July 2025 | 31 | 31 | 77.4% | 0 |
| August 2025 | 27 | 27 | 77.8% | 0 |
| September 2025 | 26 | 25 | 84.0% | 1 |
| October 2025 | 63 | 63 | 63.5% | 0 |
| November 2025 | 25 | 24 | 70.8% | 1 |
| December 2025 | 20 | 20 | 85.0% | 0 |
| January 2026 | 2 | 2 | 100.0% | 0 |
| February 2026 | 3 | 3 | 33.3% | 0 |
| March 2026 | 32 | 32 | 87.5% | 0 |
| April 2026 | 28 | 28 | 96.4% | 0 |
| May 2026 | 26 | 26 | 92.3% | 0 |
| June 2026 | 26 | 25 | 84.0% | 1 |
| July 2026 | 30 | 30 | 70.0% | 0 |