WN4767
WN4767 (Southwest Airlines) is a multi-stop service on 18 routes, busiest Buffalo to Baltimore. Of 329 departures recorded from October 2024 to July 2026, 83.3% left on time, according to the US BTS.
- On-time departures83.3%of 329 flights
- Average delay6.3 min
- July 202630▲ 25.0%vs July 2025
- Cancelled0.0%
- Legs flown under this number18
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods13 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 26 | ▲ 2,500.0% |
| February | – | 35 | – |
| March | – | 5 | – |
| April | – | 1 | – |
| May | – | – | – |
| June | 24 | 27 | ▲ 12.5% |
| July | 24 | 30 | ▲ 25.0% |
| August | 37 | – | – |
| September | 34 | – | – |
| October | 49 | – | 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 periods13 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 76.9% | ▼ 23.1% |
| February | – | 65.7% | – |
| March | – | 60.0% | – |
| April | – | 100.0% | – |
| May | – | – | – |
| June | 79.2% | 96.3% | ▲ 21.6% |
| July | 79.2% | 100.0% | ▲ 26.3% |
| August | 89.2% | – | – |
| September | 100.0% | – | – |
| October | 77.6% | – | 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 periods13 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | – | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| 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 100.0% 329
- Cancelled 0.0% 0
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 |
|---|---|---|---|---|
| BUF BWI Buffalo Niagara International Airport – Baltimore/Washington International Thurgood Marshall Airport | 453 | 0.2 min | 94.8% | 58 |
| OKC HOU OKC Will Rogers World Airport – William P. Hobby Airport | 675 | -0.4 min | 98.3% | 57 |
| HOU LAX William P. Hobby Airport – Los Angeles International Airport | 2,233 | 10.4 min | 83.3% | 36 |
| ATL HOU Hartsfield Jackson Atlanta International Airport – William P. Hobby Airport | 1,118 | 17.0 min | 53.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 81.3% | 0 |
| November 2024 | 14 | 14 | 78.6% | 0 |
| December 2024 | 4 | 4 | 50.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 24 | 24 | 79.2% | 0 |
| July 2025 | 24 | 24 | 79.2% | 0 |
| August 2025 | 37 | 37 | 89.2% | 0 |
| September 2025 | 34 | 34 | 100.0% | 0 |
| October 2025 | 49 | 49 | 77.6% | 0 |
| November 2025 | 2 | 2 | 50.0% | 0 |
| January 2026 | 26 | 26 | 76.9% | 0 |
| February 2026 | 35 | 35 | 65.7% | 0 |
| March 2026 | 5 | 5 | 60.0% | 0 |
| April 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 27 | 27 | 96.3% | 0 |
| July 2026 | 30 | 30 | 100.0% | 0 |