WN4051
WN4051 (Southwest Airlines) is a multi-stop service on 24 routes, busiest Tulsa to Nashville. Of 404 departures recorded from October 2024 to July 2026, 74.3% left on time, according to the US BTS.
- On-time departures74.3%of 404 flights
- Average delay12.4 min
- July 202629▼ 67.4%vs July 2025
- Cancelled0.0%
- Legs flown under this number24
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 | 2 | – | – |
| February | 2 | 22 | ▲ 1,000.0% |
| March | 1 | 13 | ▲ 1,200.0% |
| April | – | 5 | – |
| May | 1 | 5 | ▲ 400.0% |
| June | 72 | 27 | ▼ 62.5% |
| July | 89 | 29 | ▼ 67.4% |
| August | 32 | – | – |
| September | 25 | – | – |
| October | 30 | – | 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 periods16 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | – | – |
| February | 50.0% | 90.9% | ▲ 81.8% |
| March | 100.0% | 84.6% | ▼ 15.4% |
| April | – | 100.0% | – |
| May | 100.0% | 80.0% | ▼ 20.0% |
| June | 45.8% | 92.6% | ▲ 102.0% |
| July | 61.8% | 96.6% | ▲ 56.2% |
| August | 78.1% | – | – |
| September | 92.0% | – | – |
| October | 73.3% | – | 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 periods16 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | – | 0 | – |
| May | 0 | 0 | – |
| 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% 404
- 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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| TUL BNA Tulsa International Airport – Nashville International Airport | 826 | 1.0 min | 94.6% | 56 |
| DAL TUL Dallas Love Field – Tulsa International Airport | 383 | 26.3 min | 49.0% | 51 |
| ATL DAL Hartsfield Jackson Atlanta International Airport – Dallas Love Field | 1,158 | 23.8 min | 50.0% | 36 |
| DCA MDW Ronald Reagan Washington National Airport – Chicago Midway International Airport | 964 | 5.8 min | 96.9% | 32 |
| OGG KOA Kahului International Airport – Ellison Onizuka Kona International Airport at Keāhole | 135 | 15.0 min | 74.2% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 24 | 24 | 91.7% | 0 |
| November 2024 | 10 | 10 | 80.0% | 0 |
| December 2024 | 14 | 14 | 92.9% | 0 |
| January 2025 | 2 | 2 | 100.0% | 0 |
| February 2025 | 2 | 2 | 50.0% | 0 |
| March 2025 | 1 | 1 | 100.0% | 0 |
| May 2025 | 1 | 1 | 100.0% | 0 |
| June 2025 | 72 | 72 | 45.8% | 0 |
| July 2025 | 89 | 89 | 61.8% | 0 |
| August 2025 | 32 | 32 | 78.1% | 0 |
| September 2025 | 25 | 25 | 92.0% | 0 |
| October 2025 | 30 | 30 | 73.3% | 0 |
| November 2025 | 1 | 1 | 100.0% | 0 |
| February 2026 | 22 | 22 | 90.9% | 0 |
| March 2026 | 13 | 13 | 84.6% | 0 |
| April 2026 | 5 | 5 | 100.0% | 0 |
| May 2026 | 5 | 5 | 80.0% | 0 |
| June 2026 | 27 | 27 | 92.6% | 0 |
| July 2026 | 29 | 29 | 96.6% | 0 |