WN3831
WN3831 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Long Beach to Sacramento. Of 591 departures recorded from October 2024 to July 2026, 84.2% left on time, according to the US BTS.
- On-time departures84.2%of 591 flights
- Average delay6.2 min
- July 202622▼ 29.0%vs July 2025
- Cancelled0.7%
- Legs flown under this number27
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 | 69 | 29 | ▼ 58.0% |
| February | 42 | 28 | ▼ 33.3% |
| March | 30 | 31 | ▲ 3.3% |
| April | 6 | 30 | ▲ 400.0% |
| May | 2 | 30 | ▲ 1,400.0% |
| June | 26 | 23 | ▼ 11.5% |
| July | 31 | 22 | ▼ 29.0% |
| August | 38 | – | – |
| September | 38 | – | – |
| October | 44 | – | in progress |
| November | 6 | – | – |
| December | 11 | – | – |
| Year to date (Jan–Jul) | 206 | 193 | ▼ 6.3% |
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 | 91.2% | 82.8% | ▼ 9.2% |
| February | 81.0% | 89.3% | ▲ 10.3% |
| March | 75.0% | 87.1% | ▲ 16.1% |
| April | 66.7% | 83.3% | ▲ 25.0% |
| May | 100.0% | 86.7% | ▼ 13.3% |
| June | 92.3% | 56.5% | ▼ 38.8% |
| July | 90.0% | 68.2% | ▼ 24.2% |
| August | 89.5% | – | – |
| September | 89.5% | – | – |
| October | 81.8% | – | in progress |
| November | 83.3% | – | – |
| December | 90.9% | – | – |
| Year-to-date average (Jan–Jul) | 85.2% | 79.1% | ▼ 7.1% |
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 | 0 | 0 | – |
| March | 2 | 0 | ▼ 100.0% |
| 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 99.3% 587
- Cancelled 0.7% 4
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 |
|---|---|---|---|---|
| LGB SMF Long Beach International Airport – Sacramento International Airport | 624 | 4.0 min | 84.3% | 89 |
| SFO MDW San Francisco International Airport – Chicago Midway International Airport | 2,977 | 5.7 min | 91.7% | 61 |
| STL TPA St. Louis Lambert International Airport – Tampa International Airport | 1,400 | 8.1 min | 84.5% | 58 |
| PHX MSY Phoenix Sky Harbor International Airport – Louis Armstrong New Orleans International Airport | 2,088 | 6.3 min | 84.2% | 57 |
| MSY TPA Louis Armstrong New Orleans International Airport – Tampa International Airport | 785 | -2.6 min | 100.0% | 57 |
| SMF SNA Sacramento International Airport – John Wayne Orange County International Airport | 650 | 19.2 min | 61.9% | 42 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 81.3% | 0 |
| November 2024 | 21 | 21 | 95.2% | 0 |
| December 2024 | 18 | 18 | 72.2% | 0 |
| January 2025 | 69 | 68 | 91.2% | 1 |
| February 2025 | 42 | 42 | 81.0% | 0 |
| March 2025 | 30 | 28 | 75.0% | 2 |
| April 2025 | 6 | 6 | 66.7% | 0 |
| May 2025 | 2 | 2 | 100.0% | 0 |
| June 2025 | 26 | 26 | 92.3% | 0 |
| July 2025 | 31 | 30 | 90.0% | 1 |
| August 2025 | 38 | 38 | 89.5% | 0 |
| September 2025 | 38 | 38 | 89.5% | 0 |
| October 2025 | 44 | 44 | 81.8% | 0 |
| November 2025 | 6 | 6 | 83.3% | 0 |
| December 2025 | 11 | 11 | 90.9% | 0 |
| January 2026 | 29 | 29 | 82.8% | 0 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 31 | 31 | 87.1% | 0 |
| April 2026 | 30 | 30 | 83.3% | 0 |
| May 2026 | 30 | 30 | 86.7% | 0 |
| June 2026 | 23 | 23 | 56.5% | 0 |
| July 2026 | 22 | 22 | 68.2% | 0 |