WN1573
WN1573 (Southwest Airlines) is a multi-stop service on 34 routes, busiest Sacramento to Spokane. Of 656 departures recorded from October 2024 to July 2026, 79.8% left on time, according to the US BTS.
- On-time departures79.8%of 656 flights
- Average delay8.9 min
- July 20269▼ 43.8%vs July 2025
- Cancelled1.1%
- Legs flown under this number34
according to the US BTS · Oct 12, 2024 → Jul 26, 2026 domestic flights only
Recorded departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 22 | 31 | ▲ 40.9% |
| February | 26 | 35 | ▲ 34.6% |
| March | 30 | 20 | ▼ 33.3% |
| April | 30 | 39 | ▲ 30.0% |
| May | 31 | 48 | ▲ 54.8% |
| June | 20 | 12 | ▼ 40.0% |
| July | 16 | 9 | ▼ 43.8% |
| August | 26 | – | – |
| September | 26 | – | – |
| October | 64 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 175 | 194 | ▲ 10.9% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
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 | 76.2% | 87.1% | ▲ 14.3% |
| February | 80.8% | 88.6% | ▲ 9.7% |
| March | 86.7% | 75.0% | ▼ 13.5% |
| April | 83.3% | 84.6% | ▲ 1.5% |
| May | 93.6% | 75.0% | ▼ 19.8% |
| June | 95.0% | 66.7% | ▼ 29.8% |
| July | 100.0% | 88.9% | ▼ 11.1% |
| August | 61.5% | – | – |
| September | 76.9% | – | – |
| October | 67.2% | – | in progress |
| November | 82.8% | – | – |
| December | 48.4% | – | – |
| Year-to-date average (Jan–Jul) | 87.9% | 80.8% | ▼ 8.1% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Partial coverage: domestic flights only · 22 of 22 periods have data
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Partial coverage: domestic flights only · 22 of 22 periods have data
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 0 | ▼ 100.0% |
| February | 0 | 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) | 2 | 0 | ▼ 100.0% |
according to the US BTS · October 2024 → July 2026
This is not a forecast
This is a historical record of departures already flown, not a forecast for your flight.
This number flies several legs
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.9% 649
- Cancelled 1.1% 7
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 26, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SMF GEG Sacramento International Airport – Spokane International Airport | 1,045 | 18.0 min | 63.5% | 63 |
| ORD LAS Chicago O'Hare International Airport – Harry Reid International Airport | 2,432 | 1.3 min | 94.8% | 58 |
| IND FLL Indianapolis International Airport – Fort Lauderdale Hollywood International Airport | 1,621 | 5.3 min | 94.8% | 58 |
| SJC LAX Mineta San Jose International Airport – Los Angeles International Airport | 496 | 9.0 min | 76.7% | 43 |
| LGA HOU LaGuardia Airport – William P. Hobby Airport | 2,295 | 13.9 min | 66.7% | 42 |
| BUR SMF Hollywood Burbank/Bob Hope Airport – Sacramento International Airport | 577 | -1.9 min | 97.1% | 35 |
| BWI PIT Baltimore/Washington International Thurgood Marshall Airport – Pittsburgh International Airport | 338 | 0.8 min | 97.1% | 34 |
| BWI PWM Baltimore/Washington International Thurgood Marshall Airport – Portland International Jetport | 727 | 7.5 min | 78.8% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 24 | 19 | 94.7% | 5 |
| November 2024 | 33 | 33 | 97.0% | 0 |
| December 2024 | 54 | 54 | 75.9% | 0 |
| January 2025 | 22 | 21 | 76.2% | 1 |
| February 2025 | 26 | 26 | 80.8% | 0 |
| March 2025 | 30 | 30 | 86.7% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 31 | 31 | 93.6% | 0 |
| June 2025 | 20 | 20 | 95.0% | 0 |
| July 2025 | 16 | 15 | 100.0% | 1 |
| August 2025 | 26 | 26 | 61.5% | 0 |
| September 2025 | 26 | 26 | 76.9% | 0 |
| October 2025 | 64 | 64 | 67.2% | 0 |
| November 2025 | 29 | 29 | 82.8% | 0 |
| December 2025 | 31 | 31 | 48.4% | 0 |
| January 2026 | 31 | 31 | 87.1% | 0 |
| February 2026 | 35 | 35 | 88.6% | 0 |
| March 2026 | 20 | 20 | 75.0% | 0 |
| April 2026 | 39 | 39 | 84.6% | 0 |
| May 2026 | 48 | 48 | 75.0% | 0 |
| June 2026 | 12 | 12 | 66.7% | 0 |
| July 2026 | 9 | 9 | 88.9% | 0 |