WN189
WN189 (Southwest Airlines) is a multi-stop service on 43 routes, busiest Ontario to Sacramento. Of 766 departures recorded from October 2024 to July 2026, 76.2% left on time, according to the US BTS.
- On-time departures76.2%of 766 flights
- Average delay12.8 min
- July 202637▼ 51.9%vs July 2025
- Cancelled0.7%
- Legs flown under this number43
according to the US BTS · Oct 12, 2024 → Jul 31, 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 | 29 | 31 | ▲ 6.9% |
| February | 26 | 28 | ▲ 7.7% |
| March | 40 | 35 | ▼ 12.5% |
| April | 33 | 31 | ▼ 6.1% |
| May | 31 | 31 | 0.0% |
| June | 64 | 34 | ▼ 46.9% |
| July | 77 | 37 | ▼ 51.9% |
| August | 30 | – | – |
| September | 25 | – | – |
| October | 35 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 300 | 227 | ▼ 24.3% |
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 | 89.3% | 90.3% | ▲ 1.2% |
| February | 88.5% | 75.0% | ▼ 15.2% |
| March | 90.0% | 50.0% | ▼ 44.4% |
| April | 84.9% | 90.3% | ▲ 6.4% |
| May | 100.0% | 100.0% | 0.0% |
| June | 50.0% | 41.2% | ▼ 17.6% |
| July | 52.0% | 48.7% | ▼ 6.4% |
| August | 83.3% | – | – |
| September | 92.0% | – | – |
| October | 51.4% | – | in progress |
| November | 100.0% | – | – |
| December | 96.7% | – | – |
| Year-to-date average (Jan–Jul) | 79.2% | 70.8% | ▼ 10.7% |
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 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 1 | 0.0% |
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 99.3% 761
- Cancelled 0.7% 5
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
99 of 9
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| ONT SMF Ontario International Airport – Sacramento International Airport | 627 | -1.2 min | 94.9% | 98 |
| HNL LIH Daniel K. Inouye International Airport – Lihue Airport | 163 | -3.5 min | 98.4% | 64 |
| ATL BWI Hartsfield Jackson Atlanta International Airport – Baltimore/Washington International Thurgood Marshall Airport | 928 | 31.4 min | 56.5% | 62 |
| OAK MDW Oakland San Francisco Bay Airport – Chicago Midway International Airport | 2,961 | 1.5 min | 98.3% | 58 |
| AMA DAL Rick Husband Amarillo International Airport – Dallas Love Field | 520 | -2.9 min | 98.3% | 58 |
| DAL ABQ Dallas Love Field – Albuquerque International Sunport | 933 | 29.9 min | 42.3% | 52 |
| MDW ECP Chicago Midway International Airport – Northwest Florida Beaches International Airport | 1,283 | 2.1 min | 92.3% | 39 |
| DEN DSM Denver International Airport – Des Moines International Airport | 947 | 28.1 min | 56.3% | 33 |
| DAL MDW Dallas Love Field – Chicago Midway International Airport | 1,277 | 23.1 min | 58.1% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 27 | 27 | 92.6% | 0 |
| November 2024 | 31 | 31 | 100.0% | 0 |
| December 2024 | 30 | 30 | 96.7% | 0 |
| January 2025 | 29 | 28 | 89.3% | 1 |
| February 2025 | 26 | 26 | 88.5% | 0 |
| March 2025 | 40 | 40 | 90.0% | 0 |
| April 2025 | 33 | 33 | 84.9% | 0 |
| May 2025 | 31 | 31 | 100.0% | 0 |
| June 2025 | 64 | 64 | 50.0% | 0 |
| July 2025 | 77 | 77 | 52.0% | 0 |
| August 2025 | 30 | 30 | 83.3% | 0 |
| September 2025 | 25 | 25 | 92.0% | 0 |
| October 2025 | 35 | 35 | 51.4% | 0 |
| November 2025 | 30 | 28 | 100.0% | 2 |
| December 2025 | 31 | 30 | 96.7% | 1 |
| January 2026 | 31 | 31 | 90.3% | 0 |
| February 2026 | 28 | 28 | 75.0% | 0 |
| March 2026 | 35 | 34 | 50.0% | 1 |
| April 2026 | 31 | 31 | 90.3% | 0 |
| May 2026 | 31 | 31 | 100.0% | 0 |
| June 2026 | 34 | 34 | 41.2% | 0 |
| July 2026 | 37 | 37 | 48.7% | 0 |