WN142
WN142 (Southwest Airlines) is a multi-stop service on 37 routes, busiest San Francisco to Denver. Of 781 departures recorded from October 2024 to July 2026, 81.3% left on time, according to the US BTS.
- On-time departures81.3%of 781 flights
- Average delay11.3 min
- July 202632▼ 27.3%vs July 2025
- Cancelled0.8%
- Legs flown under this number37
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 | 31 | 56 | ▲ 80.6% |
| February | 28 | 46 | ▲ 64.3% |
| March | 31 | 34 | ▲ 9.7% |
| April | 42 | 36 | ▼ 14.3% |
| May | 49 | 43 | ▼ 12.2% |
| June | 42 | 30 | ▼ 28.6% |
| July | 44 | 32 | ▼ 27.3% |
| August | 43 | – | – |
| September | 43 | – | – |
| October | 31 | – | in progress |
| November | 16 | – | – |
| December | 23 | – | – |
| Year to date (Jan–Jul) | 267 | 277 | ▲ 3.7% |
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 | 100.0% | 88.9% | ▼ 11.1% |
| February | 92.9% | 93.3% | ▲ 0.5% |
| March | 83.9% | 78.8% | ▼ 6.1% |
| April | 85.7% | 86.1% | ▲ 0.5% |
| May | 83.7% | 74.4% | ▼ 11.1% |
| June | 92.9% | 50.0% | ▼ 46.2% |
| July | 81.8% | 34.4% | ▼ 58.0% |
| August | 86.1% | – | – |
| September | 71.4% | – | – |
| October | 60.0% | – | in progress |
| November | 68.8% | – | – |
| December | 91.3% | – | – |
| Year-to-date average (Jan–Jul) | 88.7% | 72.3% | ▼ 18.5% |
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 | 0 | 2 | – |
| February | 0 | 1 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 1 | – | – |
| October | 1 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 0 | 4 |
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 99.2% 775
- Cancelled 0.8% 6
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
88 of 8
| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SFO DEN San Francisco International Airport – Denver International Airport | 1,553 | 2.0 min | 96.0% | 99 |
| LAS PDX Harry Reid International Airport – Portland International Airport | 1,227 | 9.4 min | 86.7% | 60 |
| ABQ DAL Albuquerque International Sunport – Dallas Love Field | 933 | 3.3 min | 93.1% | 59 |
| BNA HOU Nashville International Airport – William P. Hobby Airport | 1,078 | 5.8 min | 80.7% | 57 |
| MCO STL Orlando International Airport – St. Louis Lambert International Airport | 1,420 | 30.4 min | 44.9% | 49 |
| BWI SRQ Baltimore/Washington International Thurgood Marshall Airport – Sarasota Bradenton International Airport | 1,419 | 2.0 min | 97.5% | 42 |
| OAK LGB Oakland San Francisco Bay Airport – Long Beach International Airport | 569 | 7.2 min | 78.8% | 33 |
| MDW MSY Chicago Midway International Airport – Louis Armstrong New Orleans International Airport | 1,331 | 24.9 min | 80.7% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 90.0% | 0 |
| December 2024 | 31 | 31 | 90.3% | 0 |
| January 2025 | 31 | 31 | 100.0% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 31 | 31 | 83.9% | 0 |
| April 2025 | 42 | 42 | 85.7% | 0 |
| May 2025 | 49 | 49 | 83.7% | 0 |
| June 2025 | 42 | 42 | 92.9% | 0 |
| July 2025 | 44 | 44 | 81.8% | 0 |
| August 2025 | 43 | 43 | 86.1% | 0 |
| September 2025 | 43 | 42 | 71.4% | 1 |
| October 2025 | 31 | 30 | 60.0% | 1 |
| November 2025 | 16 | 16 | 68.8% | 0 |
| December 2025 | 23 | 23 | 91.3% | 0 |
| January 2026 | 56 | 54 | 88.9% | 2 |
| February 2026 | 46 | 45 | 93.3% | 1 |
| March 2026 | 34 | 33 | 78.8% | 1 |
| April 2026 | 36 | 36 | 86.1% | 0 |
| May 2026 | 43 | 43 | 74.4% | 0 |
| June 2026 | 30 | 30 | 50.0% | 0 |
| July 2026 | 32 | 32 | 34.4% | 0 |