WN4548
WN4548 (Southwest Airlines) is a multi-stop service on 17 routes, busiest Tampa to Columbus. Of 253 departures recorded from October 2024 to July 2026, 79.8% left on time, according to the US BTS.
- On-time departures79.8%of 253 flights
- Average delay8.8 min
- July 202618▲ 12.5%vs July 2025
- Cancelled0.4%
- Legs flown under this number17
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods16 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 4 | 1 | ▼ 75.0% |
| February | 10 | 10 | 0.0% |
| March | 39 | 2 | ▼ 94.9% |
| April | 11 | 21 | ▲ 90.9% |
| May | – | 26 | – |
| June | 16 | 19 | ▲ 18.8% |
| July | 16 | 18 | ▲ 12.5% |
| August | 6 | – | – |
| September | 4 | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 2 | – | – |
according to the US BTS · October 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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 100.0% | 0.0% |
| February | 100.0% | 30.0% | ▼ 70.0% |
| March | 65.8% | 50.0% | ▼ 24.0% |
| April | 45.5% | 100.0% | ▲ 120.0% |
| May | – | 88.5% | – |
| June | 75.0% | 94.7% | ▲ 26.3% |
| July | 62.5% | 100.0% | ▲ 60.0% |
| August | 83.3% | – | – |
| September | 75.0% | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 50.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 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 99.6% 252
- Cancelled 0.4% 1
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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| TPA CMH Tampa International Airport – John Glenn Columbus International Airport | 1,337 | 1.3 min | 94.0% | 50 |
| SMF BUR Sacramento International Airport – Hollywood Burbank/Bob Hope Airport | 577 | 16.1 min | 68.6% | 35 |
| PHX AUS Phoenix Sky Harbor International Airport – Austin Bergstrom International Airport | 1,401 | -2.0 min | 97.1% | 34 |
| ATL DEN Hartsfield Jackson Atlanta International Airport – Denver International Airport | 1,927 | 22.0 min | 65.6% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 87.0% | 0 |
| November 2024 | 19 | 19 | 89.5% | 0 |
| December 2024 | 6 | 6 | 66.7% | 0 |
| January 2025 | 4 | 4 | 100.0% | 0 |
| February 2025 | 10 | 10 | 100.0% | 0 |
| March 2025 | 39 | 38 | 65.8% | 1 |
| April 2025 | 11 | 11 | 45.5% | 0 |
| June 2025 | 16 | 16 | 75.0% | 0 |
| July 2025 | 16 | 16 | 62.5% | 0 |
| August 2025 | 6 | 6 | 83.3% | 0 |
| September 2025 | 4 | 4 | 75.0% | 0 |
| December 2025 | 2 | 2 | 50.0% | 0 |
| January 2026 | 1 | 1 | 100.0% | 0 |
| February 2026 | 10 | 10 | 30.0% | 0 |
| March 2026 | 2 | 2 | 50.0% | 0 |
| April 2026 | 21 | 21 | 100.0% | 0 |
| May 2026 | 26 | 26 | 88.5% | 0 |
| June 2026 | 19 | 19 | 94.7% | 0 |
| July 2026 | 18 | 18 | 100.0% | 0 |