WN3156
WN3156 (Southwest Airlines) is a multi-stop service on 20 routes, busiest Sacramento to Salt Lake City. Of 467 departures recorded from October 2024 to July 2026, 75.8% left on time, according to the US BTS.
- On-time departures75.8%of 467 flights
- Average delay12.7 min
- July 202627▼ 10.0%vs July 2025
- Cancelled0.9%
- Legs flown under this number20
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 | 29 | 0.0% |
| February | 28 | 18 | ▼ 35.7% |
| March | 27 | 7 | ▼ 74.1% |
| April | 15 | 22 | ▲ 46.7% |
| May | 15 | 25 | ▲ 66.7% |
| June | 27 | 26 | ▼ 3.7% |
| July | 30 | 27 | ▼ 10.0% |
| August | 4 | – | – |
| September | – | – | – |
| October | 34 | – | in progress |
| November | 28 | – | – |
| December | 22 | – | – |
| Year to date (Jan–Jul) | 171 | 154 | ▼ 9.9% |
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 | 89.7% | 85.7% | ▼ 4.4% |
| February | 92.9% | 83.3% | ▼ 10.3% |
| March | 77.8% | 71.4% | ▼ 8.2% |
| April | 93.3% | 81.8% | ▼ 12.3% |
| May | 86.7% | 68.0% | ▼ 21.5% |
| June | 37.0% | 76.9% | ▲ 107.7% |
| July | 27.6% | 85.2% | ▲ 208.8% |
| August | 25.0% | – | – |
| September | – | – | – |
| October | 85.3% | – | in progress |
| November | 76.9% | – | – |
| December | 77.3% | – | – |
| Year-to-date average (Jan–Jul) | 72.1% | 78.9% | ▲ 9.4% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | – | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| 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 99.1% 463
- Cancelled 0.9% 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 |
|---|---|---|---|---|
| SMF SLC Sacramento International Airport – Salt Lake City International Airport | 854 | 4.6 min | 84.7% | 85 |
| DEN BUF Denver International Airport – Buffalo Niagara International Airport | 2,182 | 46.1 min | 30.5% | 60 |
| AUS SJC Austin Bergstrom International Airport – Mineta San Jose International Airport | 2,372 | 14.1 min | 73.5% | 49 |
| DCA MCO Ronald Reagan Washington National Airport – Orlando International Airport | 1,224 | 9.0 min | 84.8% | 47 |
| BUR MDW Hollywood Burbank/Bob Hope Airport – Chicago Midway International Airport | 2,794 | -1.6 min | 97.6% | 42 |
| ISP DJT Long Island MacArthur Airport – President Donald J. Trump International Airport | 1,696 | 9.1 min | 83.9% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 20 | 20 | 70.0% | 0 |
| December 2024 | 14 | 14 | 78.6% | 0 |
| January 2025 | 29 | 29 | 89.7% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 27 | 27 | 77.8% | 0 |
| April 2025 | 15 | 15 | 93.3% | 0 |
| May 2025 | 15 | 15 | 86.7% | 0 |
| June 2025 | 27 | 27 | 37.0% | 0 |
| July 2025 | 30 | 29 | 27.6% | 1 |
| August 2025 | 4 | 4 | 25.0% | 0 |
| October 2025 | 34 | 34 | 85.3% | 0 |
| November 2025 | 28 | 26 | 76.9% | 2 |
| December 2025 | 22 | 22 | 77.3% | 0 |
| January 2026 | 29 | 28 | 85.7% | 1 |
| February 2026 | 18 | 18 | 83.3% | 0 |
| March 2026 | 7 | 7 | 71.4% | 0 |
| April 2026 | 22 | 22 | 81.8% | 0 |
| May 2026 | 25 | 25 | 68.0% | 0 |
| June 2026 | 26 | 26 | 76.9% | 0 |
| July 2026 | 27 | 27 | 85.2% | 0 |