WN266
WN266 (Southwest Airlines) is a multi-stop service on 49 routes, busiest Seattle to Sacramento. Of 860 departures recorded from October 2024 to July 2026, 75.2% left on time, according to the US BTS.
- On-time departures75.2%of 860 flights
- Average delay13.0 min
- July 202635▼ 16.7%vs July 2025
- Cancelled0.2%
- Legs flown under this number49
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods19 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 48 | 40 | ▼ 16.7% |
| February | 50 | 28 | ▼ 44.0% |
| March | 46 | 35 | ▼ 23.9% |
| April | 33 | 39 | ▲ 18.2% |
| May | 30 | 39 | ▲ 30.0% |
| June | 45 | 35 | ▼ 22.2% |
| July | 42 | 35 | ▼ 16.7% |
| August | 19 | – | – |
| September | 13 | – | – |
| October | 27 | – | in progress |
| November | 49 | – | – |
| December | 83 | – | – |
| Year to date (Jan–Jul) | 294 | 251 | ▼ 14.6% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods19 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 70.8% | 75.0% | ▲ 5.9% |
| February | 68.0% | 64.3% | ▼ 5.5% |
| March | 89.1% | 80.0% | ▼ 10.2% |
| April | 96.9% | 100.0% | ▲ 3.2% |
| May | 96.7% | 89.5% | ▼ 7.4% |
| June | 73.3% | 82.9% | ▲ 13.0% |
| July | 61.9% | 74.3% | ▲ 20.0% |
| August | 68.4% | – | – |
| September | 92.3% | – | – |
| October | 66.7% | – | in progress |
| November | 73.5% | – | – |
| December | 62.7% | – | – |
| Year-to-date average (Jan–Jul) | 79.5% | 80.8% | ▲ 1.6% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 1 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 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 99.8% 858
- Cancelled 0.2% 2
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 75.0% | 0 |
| November 2024 | 41 | 41 | 70.7% | 0 |
| December 2024 | 63 | 63 | 60.3% | 0 |
| January 2025 | 48 | 48 | 70.8% | 0 |
| February 2025 | 50 | 50 | 68.0% | 0 |
| March 2025 | 46 | 46 | 89.1% | 0 |
| April 2025 | 33 | 32 | 96.9% | 1 |
| May 2025 | 30 | 30 | 96.7% | 0 |
| June 2025 | 45 | 45 | 73.3% | 0 |
| July 2025 | 42 | 42 | 61.9% | 0 |
| August 2025 | 19 | 19 | 68.4% | 0 |
| September 2025 | 13 | 13 | 92.3% | 0 |
| October 2025 | 27 | 27 | 66.7% | 0 |
| November 2025 | 49 | 49 | 73.5% | 0 |
| December 2025 | 83 | 83 | 62.7% | 0 |
| January 2026 | 40 | 40 | 75.0% | 0 |
| February 2026 | 28 | 28 | 64.3% | 0 |
| March 2026 | 35 | 35 | 80.0% | 0 |
| April 2026 | 39 | 39 | 100.0% | 0 |
| May 2026 | 39 | 38 | 89.5% | 1 |
| June 2026 | 35 | 35 | 82.9% | 0 |
| July 2026 | 35 | 35 | 74.3% | 0 |