WN1233
WN1233 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Sacramento to Burbank. Of 602 departures recorded from October 2024 to July 2026, 79.1% left on time, according to the US BTS.
- On-time departures79.1%of 602 flights
- Average delay9.9 min
- July 202622▼ 29.0%vs July 2025
- Cancelled0.8%
- Legs flown under this number29
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 | 29 | 25 | ▼ 13.8% |
| February | 28 | 34 | ▲ 21.4% |
| March | 19 | 25 | ▲ 31.6% |
| April | 27 | 26 | ▼ 3.7% |
| May | 29 | 26 | ▼ 10.3% |
| June | 31 | 23 | ▼ 25.8% |
| July | 31 | 22 | ▼ 29.0% |
| August | 33 | – | – |
| September | 34 | – | – |
| October | 48 | – | in progress |
| November | 18 | – | – |
| December | 25 | – | – |
| Year to date (Jan–Jul) | 194 | 181 | ▼ 6.7% |
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 | 92.9% | 92.0% | ▼ 0.9% |
| February | 96.2% | 82.4% | ▼ 14.4% |
| March | 73.7% | 92.0% | ▲ 24.9% |
| April | 59.3% | 92.3% | ▲ 55.8% |
| May | 58.6% | 92.3% | ▲ 57.5% |
| June | 74.2% | 91.3% | ▲ 23.1% |
| July | 86.7% | 95.5% | ▲ 10.1% |
| August | 81.8% | – | – |
| September | 64.7% | – | – |
| October | 45.8% | – | in progress |
| November | 83.3% | – | – |
| December | 56.0% | – | – |
| Year-to-date average (Jan–Jul) | 77.3% | 91.1% | ▲ 17.8% |
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 | 1 | 0 | ▼ 100.0% |
| February | 2 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 4 | 0 | ▼ 100.0% |
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 99.2% 597
- Cancelled 0.8% 5
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SMF BUR Sacramento International Airport – Hollywood Burbank/Bob Hope Airport | 577 | -0.7 min | 93.7% | 114 |
| BNA PHX Nashville International Airport – Phoenix Sky Harbor International Airport | 2,326 | 5.7 min | 86.7% | 61 |
| PHX MDW Phoenix Sky Harbor International Airport – Chicago Midway International Airport | 2,319 | 16.9 min | 68.4% | 57 |
| BWI ORF Baltimore/Washington International Thurgood Marshall Airport – Norfolk International Airport | 257 | 1.0 min | 96.0% | 50 |
| LGB OAK Long Beach International Airport – Oakland San Francisco Bay Airport | 569 | -3.4 min | 95.2% | 42 |
| CRP HOU Corpus Christi International Airport – William P. Hobby Airport | 301 | 0.4 min | 92.7% | 41 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 10 | 100.0% | 1 |
| November 2024 | 29 | 29 | 96.6% | 0 |
| December 2024 | 29 | 29 | 79.3% | 0 |
| January 2025 | 29 | 28 | 92.9% | 1 |
| February 2025 | 28 | 26 | 96.2% | 2 |
| March 2025 | 19 | 19 | 73.7% | 0 |
| April 2025 | 27 | 27 | 59.3% | 0 |
| May 2025 | 29 | 29 | 58.6% | 0 |
| June 2025 | 31 | 31 | 74.2% | 0 |
| July 2025 | 31 | 30 | 86.7% | 1 |
| August 2025 | 33 | 33 | 81.8% | 0 |
| September 2025 | 34 | 34 | 64.7% | 0 |
| October 2025 | 48 | 48 | 45.8% | 0 |
| November 2025 | 18 | 18 | 83.3% | 0 |
| December 2025 | 25 | 25 | 56.0% | 0 |
| January 2026 | 25 | 25 | 92.0% | 0 |
| February 2026 | 34 | 34 | 82.4% | 0 |
| March 2026 | 25 | 25 | 92.0% | 0 |
| April 2026 | 26 | 26 | 92.3% | 0 |
| May 2026 | 26 | 26 | 92.3% | 0 |
| June 2026 | 23 | 23 | 91.3% | 0 |
| July 2026 | 22 | 22 | 95.5% | 0 |