WN4528
WN4528 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Orlando to Columbus. Of 421 departures recorded from October 2024 to July 2026, 75.7% left on time, according to the US BTS.
- On-time departures75.7%of 421 flights
- Average delay10.0 min
- July 202636
- Cancelled0.5%
- Legs flown under this number22
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 | 26 | 27 | ▲ 3.8% |
| February | 24 | 53 | ▲ 120.8% |
| March | 8 | 26 | ▲ 225.0% |
| April | 1 | 28 | ▲ 2,700.0% |
| May | 8 | 30 | ▲ 275.0% |
| June | 2 | 33 | ▲ 1,550.0% |
| July | – | 36 | – |
| August | 22 | – | – |
| September | 26 | – | – |
| October | 5 | – | in progress |
| November | 2 | – | – |
| December | – | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 73.1% | 92.6% | ▲ 26.7% |
| February | 75.0% | 92.5% | ▲ 23.3% |
| March | 50.0% | 64.0% | ▲ 28.0% |
| April | 0.0% | 78.6% | – |
| May | 37.5% | 93.3% | ▲ 148.9% |
| June | 100.0% | 54.6% | ▼ 45.5% |
| July | – | 51.4% | – |
| August | 72.7% | – | – |
| September | 69.2% | – | – |
| October | 100.0% | – | in progress |
| November | 50.0% | – | – |
| December | – | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | – | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
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 99.5% 419
- Cancelled 0.5% 2
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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MCO CMH Orlando International Airport – John Glenn Columbus International Airport | 1,295 | 10.3 min | 78.6% | 98 |
| TPA ATL Tampa International Airport – Hartsfield Jackson Atlanta International Airport | 655 | 2.0 min | 89.5% | 57 |
| BWI ABQ Baltimore/Washington International Thurgood Marshall Airport – Albuquerque International Sunport | 2,682 | 29.7 min | 36.7% | 50 |
| DEN LAX Denver International Airport – Los Angeles International Airport | 1,385 | 8.1 min | 71.4% | 49 |
| AUS HRL Austin Bergstrom International Airport – Valley International Airport | 441 | 3.9 min | 85.7% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 19 | 19 | 89.5% | 0 |
| November 2024 | 24 | 24 | 79.2% | 0 |
| December 2024 | 21 | 21 | 90.5% | 0 |
| January 2025 | 26 | 26 | 73.1% | 0 |
| February 2025 | 24 | 24 | 75.0% | 0 |
| March 2025 | 8 | 8 | 50.0% | 0 |
| April 2025 | 1 | 1 | 0.0% | 0 |
| May 2025 | 8 | 8 | 37.5% | 0 |
| June 2025 | 2 | 2 | 100.0% | 0 |
| August 2025 | 22 | 22 | 72.7% | 0 |
| September 2025 | 26 | 26 | 69.2% | 0 |
| October 2025 | 5 | 5 | 100.0% | 0 |
| November 2025 | 2 | 2 | 50.0% | 0 |
| January 2026 | 27 | 27 | 92.6% | 0 |
| February 2026 | 53 | 53 | 92.5% | 0 |
| March 2026 | 26 | 25 | 64.0% | 1 |
| April 2026 | 28 | 28 | 78.6% | 0 |
| May 2026 | 30 | 30 | 93.3% | 0 |
| June 2026 | 33 | 33 | 54.6% | 0 |
| July 2026 | 36 | 35 | 51.4% | 1 |