WN4346
WN4346 (Southwest Airlines) is a multi-stop service on 23 routes, busiest Tampa to Chicago. Of 630 departures recorded from October 2024 to July 2026, 73.7% left on time, according to the US BTS.
- On-time departures73.7%of 630 flights
- Average delay13.5 min
- July 202627▼ 42.6%vs July 2025
- Cancelled1.6%
- Legs flown under this number23
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 | 7 | 34 | ▲ 385.7% |
| February | 15 | 35 | ▲ 133.3% |
| March | 27 | 31 | ▲ 14.8% |
| April | 39 | 17 | ▼ 56.4% |
| May | 45 | 12 | ▼ 73.3% |
| June | 47 | 25 | ▼ 46.8% |
| July | 47 | 27 | ▼ 42.6% |
| August | 46 | – | – |
| September | 43 | – | – |
| October | 28 | – | in progress |
| November | 32 | – | – |
| December | 42 | – | – |
| Year to date (Jan–Jul) | 227 | 181 | ▼ 20.3% |
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 | 83.3% | 85.3% | ▲ 2.4% |
| February | 92.9% | 42.9% | ▼ 53.8% |
| March | 100.0% | 71.0% | ▼ 29.0% |
| April | 60.5% | 76.5% | ▲ 26.3% |
| May | 47.7% | 66.7% | ▲ 39.7% |
| June | 72.3% | 72.0% | ▼ 0.5% |
| July | 89.1% | 63.0% | ▼ 29.4% |
| August | 82.6% | – | – |
| September | 71.4% | – | – |
| October | 67.9% | – | in progress |
| November | 93.1% | – | – |
| December | 69.1% | – | – |
| Year-to-date average (Jan–Jul) | 78.0% | 68.2% | ▼ 12.6% |
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 | 0 | ▼ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 1 | 0 | ▼ 100.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 0 | – | in progress |
| November | 3 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 6 | 0 | ▼ 100.0% |
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 98.4% 620
- Cancelled 1.6% 10
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
11Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 9 | 9 | 77.8% | 0 |
| November 2024 | 8 | 8 | 100.0% | 0 |
| December 2024 | 14 | 14 | 100.0% | 0 |
| January 2025 | 7 | 6 | 83.3% | 1 |
| February 2025 | 15 | 14 | 92.9% | 1 |
| March 2025 | 27 | 26 | 100.0% | 1 |
| April 2025 | 39 | 38 | 60.5% | 1 |
| May 2025 | 45 | 44 | 47.7% | 1 |
| June 2025 | 47 | 47 | 72.3% | 0 |
| July 2025 | 47 | 46 | 89.1% | 1 |
| August 2025 | 46 | 46 | 82.6% | 0 |
| September 2025 | 43 | 42 | 71.4% | 1 |
| October 2025 | 28 | 28 | 67.9% | 0 |
| November 2025 | 32 | 29 | 93.1% | 3 |
| December 2025 | 42 | 42 | 69.1% | 0 |
| January 2026 | 34 | 34 | 85.3% | 0 |
| February 2026 | 35 | 35 | 42.9% | 0 |
| March 2026 | 31 | 31 | 71.0% | 0 |
| April 2026 | 17 | 17 | 76.5% | 0 |
| May 2026 | 12 | 12 | 66.7% | 0 |
| June 2026 | 25 | 25 | 72.0% | 0 |
| July 2026 | 27 | 27 | 63.0% | 0 |