WN4765
WN4765 (Southwest Airlines) is a multi-stop service on 15 routes, busiest Washington to Tampa. Of 339 departures recorded from October 2024 to July 2026, 69.4% left on time, according to the US BTS.
- On-time departures69.4%of 339 flights
- Average delay19.3 min
- July 202627▼ 22.9%vs July 2025
- Cancelled0.6%
- Legs flown under this number15
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods15 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 26 | ▲ 2,500.0% |
| February | – | 25 | – |
| March | 4 | 7 | ▲ 75.0% |
| April | 33 | 1 | ▼ 97.0% |
| May | 44 | – | – |
| June | 35 | 23 | ▼ 34.3% |
| July | 35 | 27 | ▼ 22.9% |
| August | 5 | – | – |
| September | – | – | – |
| October | 44 | – | in progress |
| November | 1 | – | – |
| 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 periods15 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 0.0% | 76.9% | – |
| February | – | 60.0% | – |
| March | 50.0% | 28.6% | ▼ 42.9% |
| April | 97.0% | 100.0% | ▲ 3.1% |
| May | 95.5% | – | – |
| June | 76.5% | 8.7% | ▼ 88.6% |
| July | 73.5% | 22.2% | ▼ 69.8% |
| August | 60.0% | – | – |
| September | – | – | – |
| October | 81.8% | – | in progress |
| November | 100.0% | – | – |
| 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 periods15 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | – | – | – |
| 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 99.4% 337
- Cancelled 0.6% 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
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| DCA TPA Ronald Reagan Washington National Airport – Tampa International Airport | 1,312 | 15.6 min | 80.0% | 61 |
| SMF LAX Sacramento International Airport – Los Angeles International Airport | 600 | 1.6 min | 96.5% | 57 |
| TPA DAL Tampa International Airport – Dallas Love Field | 1,474 | 19.9 min | 65.5% | 55 |
| MDW PDX Chicago Midway International Airport – Portland International Airport | 2,811 | 50.0 min | 11.9% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 100.0% | 0 |
| November 2024 | 14 | 14 | 57.1% | 0 |
| December 2024 | 4 | 4 | 75.0% | 0 |
| January 2025 | 1 | 1 | 0.0% | 0 |
| March 2025 | 4 | 4 | 50.0% | 0 |
| April 2025 | 33 | 33 | 97.0% | 0 |
| May 2025 | 44 | 44 | 95.5% | 0 |
| June 2025 | 35 | 34 | 76.5% | 1 |
| July 2025 | 35 | 34 | 73.5% | 1 |
| August 2025 | 5 | 5 | 60.0% | 0 |
| October 2025 | 44 | 44 | 81.8% | 0 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| January 2026 | 26 | 26 | 76.9% | 0 |
| February 2026 | 25 | 25 | 60.0% | 0 |
| March 2026 | 7 | 7 | 28.6% | 0 |
| April 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 23 | 23 | 8.7% | 0 |
| July 2026 | 27 | 27 | 22.2% | 0 |