WN1544
WN1544 (Southwest Airlines) is a multi-stop service on 38 routes, busiest Tampa to Raleigh. Of 633 departures recorded from October 2024 to July 2026, 74.7% left on time, according to the US BTS.
- On-time departures74.7%of 633 flights
- Average delay12.8 min
- July 202627▼ 12.9%vs July 2025
- Cancelled0.6%
- Legs flown under this number38
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 | 17 | 26 | ▲ 52.9% |
| February | 22 | 24 | ▲ 9.1% |
| March | 39 | 38 | ▼ 2.6% |
| April | 33 | 31 | ▼ 6.1% |
| May | 31 | 31 | 0.0% |
| June | 30 | 30 | 0.0% |
| July | 31 | 27 | ▼ 12.9% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 17 | – | in progress |
| November | 20 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 203 | 207 | ▲ 2.0% |
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 | 58.8% | 84.6% | ▲ 43.9% |
| February | 71.4% | 54.2% | ▼ 24.2% |
| March | 87.2% | 84.2% | ▼ 3.4% |
| April | 87.9% | 83.9% | ▼ 4.6% |
| May | 90.3% | 54.8% | ▼ 39.3% |
| June | 66.7% | 46.7% | ▼ 30.0% |
| July | 63.3% | 63.0% | ▼ 0.6% |
| August | 76.7% | – | – |
| September | 73.3% | – | – |
| October | 76.5% | – | in progress |
| November | 95.0% | – | – |
| December | 94.1% | – | – |
| Year-to-date average (Jan–Jul) | 75.1% | 67.3% | ▼ 10.3% |
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 | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 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 99.4% 629
- Cancelled 0.6% 4
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| TPA RDU Tampa International Airport – Raleigh-Durham International Airport | 947 | 4.8 min | 91.4% | 58 |
| BUR OAK Hollywood Burbank/Bob Hope Airport – Oakland San Francisco Bay Airport | 523 | 6.8 min | 80.7% | 58 |
| DEN SBA Denver International Airport – Santa Barbara Municipal Airport | 1,471 | 29.6 min | 60.0% | 50 |
| MCO MDW Orlando International Airport – Chicago Midway International Airport | 1,595 | 5.9 min | 88.9% | 45 |
| DEN BNA Denver International Airport – Nashville International Airport | 1,628 | 9.6 min | 72.7% | 45 |
| DEN HOU Denver International Airport – William P. Hobby Airport | 1,422 | 18.2 min | 59.5% | 42 |
| DEN ABQ Denver International Airport – Albuquerque International Sunport | 563 | 11.9 min | 71.4% | 42 |
| TUL DEN Tulsa International Airport – Denver International Airport | 870 | 4.0 min | 95.0% | 40 |
| MCI BWI Kansas City International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,552 | 33.4 min | 57.6% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 88.2% | 0 |
| November 2024 | 53 | 53 | 69.8% | 0 |
| December 2024 | 38 | 37 | 78.4% | 1 |
| January 2025 | 17 | 17 | 58.8% | 0 |
| February 2025 | 22 | 21 | 71.4% | 1 |
| March 2025 | 39 | 39 | 87.2% | 0 |
| April 2025 | 33 | 33 | 87.9% | 0 |
| May 2025 | 31 | 31 | 90.3% | 0 |
| June 2025 | 30 | 30 | 66.7% | 0 |
| July 2025 | 31 | 30 | 63.3% | 1 |
| August 2025 | 31 | 30 | 76.7% | 1 |
| September 2025 | 30 | 30 | 73.3% | 0 |
| October 2025 | 17 | 17 | 76.5% | 0 |
| November 2025 | 20 | 20 | 95.0% | 0 |
| December 2025 | 17 | 17 | 94.1% | 0 |
| January 2026 | 26 | 26 | 84.6% | 0 |
| February 2026 | 24 | 24 | 54.2% | 0 |
| March 2026 | 38 | 38 | 84.2% | 0 |
| April 2026 | 31 | 31 | 83.9% | 0 |
| May 2026 | 31 | 31 | 54.8% | 0 |
| June 2026 | 30 | 30 | 46.7% | 0 |
| July 2026 | 27 | 27 | 63.0% | 0 |