WN4473
WN4473 (Southwest Airlines) is a multi-stop service on 13 routes, busiest Tampa to Pittsburgh. Of 443 departures recorded from November 2024 to July 2026, 68.2% left on time, according to the US BTS.
- On-time departures68.2%of 443 flights
- Average delay16.5 min
- July 202614▼ 74.1%vs July 2025
- Cancelled0.7%
- Legs flown under this number13
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 14 | ▲ 1,300.0% |
| February | – | 12 | – |
| March | 18 | 28 | ▲ 55.6% |
| April | 28 | 30 | ▲ 7.1% |
| May | 30 | 30 | 0.0% |
| June | 54 | 15 | ▼ 72.2% |
| July | 54 | 14 | ▼ 74.1% |
| August | 8 | – | – |
| September | – | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
according to the US BTS · November 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 100.0% | 0.0% |
| February | – | 91.7% | – |
| March | 83.3% | 85.2% | ▲ 2.2% |
| April | 67.9% | 65.5% | ▼ 3.4% |
| May | 66.7% | 53.3% | ▼ 20.0% |
| June | 59.3% | 66.7% | ▲ 12.5% |
| July | 29.6% | 78.6% | ▲ 165.2% |
| August | 50.0% | – | – |
| September | – | – | – |
| October | 70.0% | – | in progress |
| November | 100.0% | – | – |
| December | 83.9% | – | – |
according to the US BTS · November 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · November 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
according to the US BTS · November 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 99.3% 440
- Cancelled 0.7% 3
Share of all recorded flights in the period, all legs. · Nov 3, 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 |
|---|---|---|---|---|
| TPA PIT Tampa International Airport – Pittsburgh International Airport | 1,408 | -0.5 min | 92.1% | 64 |
| SMF LAX Sacramento International Airport – Los Angeles International Airport | 600 | 24.8 min | 48.3% | 60 |
| STL LAS St. Louis Lambert International Airport – Harry Reid International Airport | 2,202 | 31.9 min | 54.4% | 57 |
| STL ATL St. Louis Lambert International Airport – Hartsfield Jackson Atlanta International Airport | 779 | 18.6 min | 66.7% | 57 |
| SMF BUR Sacramento International Airport – Hollywood Burbank/Bob Hope Airport | 577 | 0.1 min | 87.1% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 13 | 13 | 76.9% | 0 |
| December 2024 | 4 | 4 | 100.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| March 2025 | 18 | 18 | 83.3% | 0 |
| April 2025 | 28 | 28 | 67.9% | 0 |
| May 2025 | 30 | 30 | 66.7% | 0 |
| June 2025 | 54 | 54 | 59.3% | 0 |
| July 2025 | 54 | 54 | 29.6% | 0 |
| August 2025 | 8 | 8 | 50.0% | 0 |
| October 2025 | 30 | 30 | 70.0% | 0 |
| November 2025 | 29 | 28 | 100.0% | 1 |
| December 2025 | 31 | 31 | 83.9% | 0 |
| January 2026 | 14 | 14 | 100.0% | 0 |
| February 2026 | 12 | 12 | 91.7% | 0 |
| March 2026 | 28 | 27 | 85.2% | 1 |
| April 2026 | 30 | 29 | 65.5% | 1 |
| May 2026 | 30 | 30 | 53.3% | 0 |
| June 2026 | 15 | 15 | 66.7% | 0 |
| July 2026 | 14 | 14 | 78.6% | 0 |