WN4419
WN4419 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Sacramento to Seattle. Of 494 departures recorded from October 2024 to July 2026, 70.7% left on time, according to the US BTS.
- On-time departures70.7%of 494 flights
- Average delay14.0 min
- July 202618▼ 61.7%vs July 2025
- Cancelled1.2%
- Legs flown under this number27
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 | 29 | 35 | ▲ 20.7% |
| February | 17 | 28 | ▲ 64.7% |
| March | 3 | 30 | ▲ 900.0% |
| April | 20 | 16 | ▼ 20.0% |
| May | 26 | 13 | ▼ 50.0% |
| June | 46 | 17 | ▼ 63.0% |
| July | 47 | 18 | ▼ 61.7% |
| August | 7 | – | – |
| September | – | – | – |
| October | 17 | – | in progress |
| November | 5 | – | – |
| December | 2 | – | – |
| Year to date (Jan–Jul) | 188 | 157 | ▼ 16.5% |
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 | 75.0% | 83.9% | ▲ 11.8% |
| February | 88.2% | 71.4% | ▼ 19.1% |
| March | 100.0% | 86.7% | ▼ 13.3% |
| April | 90.0% | 68.8% | ▼ 23.6% |
| May | 84.6% | 46.2% | ▼ 45.5% |
| June | 69.6% | 52.9% | ▼ 23.9% |
| July | 57.5% | 50.0% | ▼ 13.0% |
| August | 42.9% | – | – |
| September | – | – | – |
| October | 100.0% | – | in progress |
| November | 60.0% | – | – |
| December | 100.0% | – | – |
| Year-to-date average (Jan–Jul) | 80.7% | 65.7% | ▼ 18.6% |
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 | 1 | 4 | ▲ 300.0% |
| 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 | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 4 | ▲ 300.0% |
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 98.8% 488
- Cancelled 1.2% 6
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SMF SEA Sacramento International Airport – Seattle–Tacoma International Airport | 975 | 16.0 min | 63.9% | 61 |
| LAS ABQ Harry Reid International Airport – Albuquerque International Sunport | 781 | 2.2 min | 91.7% | 61 |
| DAL ATL Dallas Love Field – Hartsfield Jackson Atlanta International Airport | 1,158 | 8.0 min | 75.5% | 55 |
| FLL MDW Fort Lauderdale Hollywood International Airport – Chicago Midway International Airport | 1,881 | 8.0 min | 84.0% | 50 |
| MSY DAL Louis Armstrong New Orleans International Airport – Dallas Love Field | 700 | 26.0 min | 52.9% | 34 |
| SEA MDW Seattle–Tacoma International Airport – Chicago Midway International Airport | 2,782 | 7.9 min | 81.3% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 70.0% | 0 |
| November 2024 | 58 | 58 | 67.2% | 0 |
| December 2024 | 50 | 50 | 60.0% | 0 |
| January 2025 | 29 | 28 | 75.0% | 1 |
| February 2025 | 17 | 17 | 88.2% | 0 |
| March 2025 | 3 | 3 | 100.0% | 0 |
| April 2025 | 20 | 20 | 90.0% | 0 |
| May 2025 | 26 | 26 | 84.6% | 0 |
| June 2025 | 46 | 46 | 69.6% | 0 |
| July 2025 | 47 | 47 | 57.5% | 0 |
| August 2025 | 7 | 7 | 42.9% | 0 |
| October 2025 | 17 | 17 | 100.0% | 0 |
| November 2025 | 5 | 5 | 60.0% | 0 |
| December 2025 | 2 | 1 | 100.0% | 1 |
| January 2026 | 35 | 31 | 83.9% | 4 |
| February 2026 | 28 | 28 | 71.4% | 0 |
| March 2026 | 30 | 30 | 86.7% | 0 |
| April 2026 | 16 | 16 | 68.8% | 0 |
| May 2026 | 13 | 13 | 46.2% | 0 |
| June 2026 | 17 | 17 | 52.9% | 0 |
| July 2026 | 18 | 18 | 50.0% | 0 |