WN4218
WN4218 (Southwest Airlines) is a multi-stop service on 26 routes, busiest Tampa to Phoenix. Of 236 departures recorded from October 2024 to July 2026, 71.2% left on time, according to the US BTS.
- On-time departures71.2%of 236 flights
- Average delay14.1 min
- July 202627▲ 0.0%vs July 2025
- Cancelled0.0%
- Legs flown under this number26
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 6 | ▲ 500.0% |
| February | 2 | 18 | ▲ 800.0% |
| March | 7 | 13 | ▲ 85.7% |
| April | 2 | 2 | 0.0% |
| May | 2 | 1 | ▼ 50.0% |
| June | 22 | 23 | ▲ 4.5% |
| July | 27 | 27 | 0.0% |
| August | 3 | – | – |
| September | – | – | – |
| October | 22 | – | in progress |
| November | 16 | – | – |
| December | 7 | – | – |
| Year to date (Jan–Jul) | 63 | 90 | ▲ 42.9% |
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 periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 50.0% | ▼ 50.0% |
| February | 100.0% | 55.6% | ▼ 44.4% |
| March | 57.1% | 76.9% | ▲ 34.6% |
| April | 0.0% | 100.0% | – |
| May | 50.0% | 100.0% | ▲ 100.0% |
| June | 63.6% | 39.1% | ▼ 38.5% |
| July | 85.2% | 77.8% | ▼ 8.7% |
| August | 33.3% | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 68.8% | – | – |
| December | 42.9% | – | – |
| Year-to-date average (Jan–Jul) | 65.1% | 71.3% | ▲ 9.5% |
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 periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 0 |
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% 236
- Cancelled 0.0% 0
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| TPA PHX Tampa International Airport – Phoenix Sky Harbor International Airport | 2,872 | 12.1 min | 73.1% | 52 |
| DAL SMF Dallas Love Field – Sacramento International Airport | 2,317 | 27.6 min | 59.5% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 15 | 15 | 93.3% | 0 |
| November 2024 | 16 | 16 | 75.0% | 0 |
| December 2024 | 4 | 4 | 100.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| February 2025 | 2 | 2 | 100.0% | 0 |
| March 2025 | 7 | 7 | 57.1% | 0 |
| April 2025 | 2 | 2 | 0.0% | 0 |
| May 2025 | 2 | 2 | 50.0% | 0 |
| June 2025 | 22 | 22 | 63.6% | 0 |
| July 2025 | 27 | 27 | 85.2% | 0 |
| August 2025 | 3 | 3 | 33.3% | 0 |
| October 2025 | 22 | 22 | 100.0% | 0 |
| November 2025 | 16 | 16 | 68.8% | 0 |
| December 2025 | 7 | 7 | 42.9% | 0 |
| January 2026 | 6 | 6 | 50.0% | 0 |
| February 2026 | 18 | 18 | 55.6% | 0 |
| March 2026 | 13 | 13 | 76.9% | 0 |
| April 2026 | 2 | 2 | 100.0% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 23 | 23 | 39.1% | 0 |
| July 2026 | 27 | 27 | 77.8% | 0 |