WN3826
WN3826 (Southwest Airlines) is a multi-stop service on 32 routes, busiest St Louis to Jacksonville. Of 680 departures recorded from October 2024 to July 2026, 75.3% left on time, according to the US BTS.
- On-time departures75.3%of 680 flights
- Average delay12.1 min
- July 202616▼ 88.7%vs July 2025
- Cancelled0.2%
- Legs flown under this number32
according to the US BTS · Oct 31, 2024 → Jul 29, 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 | 19 | 5 | ▼ 73.7% |
| February | 15 | 7 | ▼ 53.3% |
| March | 29 | 8 | ▼ 72.4% |
| April | 10 | 22 | ▲ 120.0% |
| May | 4 | 27 | ▲ 575.0% |
| June | 117 | 18 | ▼ 84.6% |
| July | 141 | 16 | ▼ 88.7% |
| August | 67 | – | – |
| September | 60 | – | – |
| October | 31 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 335 | 103 | ▼ 69.3% |
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 | 84.2% | 80.0% | ▼ 5.0% |
| February | 85.7% | 42.9% | ▼ 50.0% |
| March | 79.3% | 50.0% | ▼ 37.0% |
| April | 70.0% | 50.0% | ▼ 28.6% |
| May | 75.0% | 40.7% | ▼ 45.7% |
| June | 70.9% | 72.2% | ▲ 1.8% |
| July | 77.3% | 68.8% | ▼ 11.1% |
| August | 77.6% | – | – |
| September | 88.3% | – | – |
| October | 83.9% | – | in progress |
| November | 86.2% | – | – |
| December | 87.1% | – | – |
| Year-to-date average (Jan–Jul) | 77.5% | 57.8% | ▼ 25.4% |
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 | 1 | 0 | ▼ 100.0% |
| 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) | 1 | 0 | ▼ 100.0% |
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 99.9% 679
- Cancelled 0.1% 1
Share of all recorded flights in the period, all legs. · Oct 31, 2024 → Jul 29, 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 JAX St. Louis Lambert International Airport – Jacksonville International Airport | 1,213 | 9.6 min | 85.9% | 64 |
| DAL AUS Dallas Love Field – Austin Bergstrom International Airport | 304 | 1.9 min | 88.3% | 60 |
| OKC DEN OKC Will Rogers World Airport – Denver International Airport | 796 | 7.3 min | 81.0% | 58 |
| PHX MDW Phoenix Sky Harbor International Airport – Chicago Midway International Airport | 2,319 | 22.5 min | 44.0% | 50 |
| ATL BWI Hartsfield Jackson Atlanta International Airport – Baltimore/Washington International Thurgood Marshall Airport | 928 | 6.9 min | 85.3% | 35 |
| STL LGA St. Louis Lambert International Airport – LaGuardia Airport | 1,426 | 12.2 min | 72.7% | 33 |
| MDW OKC Chicago Midway International Airport – OKC Will Rogers World Airport | 1,111 | -0.5 min | 96.8% | 31 |
| MDW JAX Chicago Midway International Airport – Jacksonville International Airport | 1,368 | 5.8 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 3 | 3 | 100.0% | 0 |
| November 2024 | 15 | 15 | 73.3% | 0 |
| December 2024 | 6 | 6 | 66.7% | 0 |
| January 2025 | 19 | 19 | 84.2% | 0 |
| February 2025 | 15 | 14 | 85.7% | 1 |
| March 2025 | 29 | 29 | 79.3% | 0 |
| April 2025 | 10 | 10 | 70.0% | 0 |
| May 2025 | 4 | 4 | 75.0% | 0 |
| June 2025 | 117 | 117 | 70.9% | 0 |
| July 2025 | 141 | 141 | 77.3% | 0 |
| August 2025 | 67 | 67 | 77.6% | 0 |
| September 2025 | 60 | 60 | 88.3% | 0 |
| October 2025 | 31 | 31 | 83.9% | 0 |
| November 2025 | 29 | 29 | 86.2% | 0 |
| December 2025 | 31 | 31 | 87.1% | 0 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| February 2026 | 7 | 7 | 42.9% | 0 |
| March 2026 | 8 | 8 | 50.0% | 0 |
| April 2026 | 22 | 22 | 50.0% | 0 |
| May 2026 | 27 | 27 | 40.7% | 0 |
| June 2026 | 18 | 18 | 72.2% | 0 |
| July 2026 | 16 | 16 | 68.8% | 0 |