WN2157
WN2157 (Southwest Airlines) is a multi-stop service on 29 routes, busiest Ontario to San Jose. Of 718 departures recorded from October 2024 to July 2026, 72.9% left on time, according to the US BTS.
- On-time departures72.9%of 718 flights
- Average delay14.3 min
- July 202631▼ 26.2%vs July 2025
- Cancelled0.1%
- Legs flown under this number29
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 | 32 | 14 | ▼ 56.3% |
| February | 30 | 19 | ▼ 36.7% |
| March | 18 | 22 | ▲ 22.2% |
| April | 35 | 45 | ▲ 28.6% |
| May | 45 | 51 | ▲ 13.3% |
| June | 37 | 31 | ▼ 16.2% |
| July | 42 | 31 | ▼ 26.2% |
| August | 27 | – | – |
| September | 26 | – | – |
| October | 31 | – | in progress |
| November | 42 | – | – |
| December | 44 | – | – |
| Year to date (Jan–Jul) | 239 | 213 | ▼ 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 | 90.3% | 85.7% | ▼ 5.1% |
| February | 96.7% | 63.2% | ▼ 34.7% |
| March | 83.3% | 77.3% | ▼ 7.3% |
| April | 77.1% | 64.4% | ▼ 16.5% |
| May | 68.9% | 58.8% | ▼ 14.6% |
| June | 51.4% | 58.1% | ▲ 13.1% |
| July | 50.0% | 61.3% | ▲ 22.6% |
| August | 48.2% | – | – |
| September | 50.0% | – | – |
| October | 90.3% | – | in progress |
| November | 90.5% | – | – |
| December | 90.9% | – | – |
| Year-to-date average (Jan–Jul) | 74.0% | 67.0% | ▼ 9.5% |
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 | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 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 99.9% 717
- Cancelled 0.1% 1
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 SJC Ontario International Airport – Mineta San Jose International Airport | 536 | 2.0 min | 90.0% | 121 |
| DAL ATL Dallas Love Field – Hartsfield Jackson Atlanta International Airport | 1,158 | 34.6 min | 41.0% | 61 |
| BUF MCO Buffalo Niagara International Airport – Orlando International Airport | 1,630 | 12.3 min | 75.9% | 58 |
| JAX BNA Jacksonville International Airport – Nashville International Airport | 779 | 25.8 min | 57.9% | 57 |
| OMA MDW Eppley Airfield – Chicago Midway International Airport | 679 | 19.3 min | 55.1% | 49 |
| DEN OMA Denver International Airport – Eppley Airfield | 758 | 35.8 min | 50.0% | 42 |
| BWI ATL Baltimore/Washington International Thurgood Marshall Airport – Hartsfield Jackson Atlanta International Airport | 928 | 14.9 min | 83.3% | 36 |
| BNA HOU Nashville International Airport – William P. Hobby Airport | 1,078 | 2.0 min | 90.3% | 31 |
| ELP LAS El Paso International Airport – Harry Reid International Airport | 938 | 9.4 min | 73.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 42 | 42 | 81.0% | 0 |
| December 2024 | 34 | 34 | 91.2% | 0 |
| January 2025 | 32 | 31 | 90.3% | 1 |
| February 2025 | 30 | 30 | 96.7% | 0 |
| March 2025 | 18 | 18 | 83.3% | 0 |
| April 2025 | 35 | 35 | 77.1% | 0 |
| May 2025 | 45 | 45 | 68.9% | 0 |
| June 2025 | 37 | 37 | 51.4% | 0 |
| July 2025 | 42 | 42 | 50.0% | 0 |
| August 2025 | 27 | 27 | 48.2% | 0 |
| September 2025 | 26 | 26 | 50.0% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 42 | 42 | 90.5% | 0 |
| December 2025 | 44 | 44 | 90.9% | 0 |
| January 2026 | 14 | 14 | 85.7% | 0 |
| February 2026 | 19 | 19 | 63.2% | 0 |
| March 2026 | 22 | 22 | 77.3% | 0 |
| April 2026 | 45 | 45 | 64.4% | 0 |
| May 2026 | 51 | 51 | 58.8% | 0 |
| June 2026 | 31 | 31 | 58.1% | 0 |
| July 2026 | 31 | 31 | 61.3% | 0 |