WN1432
WN1432 (Southwest Airlines) is a multi-stop service on 37 routes, busiest Denver to San Jose. Of 750 departures recorded from October 2024 to July 2026, 77.9% left on time, according to the US BTS.
- On-time departures77.9%of 750 flights
- Average delay12.9 min
- July 202689▲ 154.3%vs July 2025
- Cancelled0.3%
- 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 | 26 | ▼ 16.1% |
| February | 28 | 27 | ▼ 3.6% |
| March | 17 | 40 | ▲ 135.3% |
| April | 48 | 9 | ▼ 81.3% |
| May | 57 | 1 | ▼ 98.2% |
| June | 38 | 78 | ▲ 105.3% |
| July | 35 | 89 | ▲ 154.3% |
| August | 36 | – | – |
| September | 34 | – | – |
| October | 34 | – | in progress |
| November | 27 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 254 | 270 | ▲ 6.3% |
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 | 87.1% | 96.0% | ▲ 10.2% |
| February | 92.9% | 88.9% | ▼ 4.3% |
| March | 62.5% | 57.5% | ▼ 8.0% |
| April | 72.9% | 100.0% | ▲ 37.1% |
| May | 87.7% | 100.0% | ▲ 14.0% |
| June | 68.4% | 74.4% | ▲ 8.7% |
| July | 65.7% | 80.9% | ▲ 23.1% |
| August | 66.7% | – | – |
| September | 82.4% | – | – |
| October | 64.7% | – | in progress |
| November | 81.5% | – | – |
| December | 82.8% | – | – |
| Year-to-date average (Jan–Jul) | 76.7% | 85.4% | ▲ 11.2% |
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 | 1 | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| 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 | 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 99.7% 748
- Cancelled 0.3% 2
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 |
|---|---|---|---|---|
| DEN SJC Denver International Airport – Mineta San Jose International Airport | 1,522 | 10.3 min | 82.2% | 73 |
| BNA SAN Nashville International Airport – San Diego International Airport | 2,812 | 18.7 min | 63.9% | 61 |
| BOS MDW Boston Logan International Airport – Chicago Midway International Airport | 1,381 | 8.8 min | 81.4% | 59 |
| ROC BWI Frederick Douglass Greater Rochester International Airport – Baltimore/Washington International Thurgood Marshall Airport | 447 | 22.0 min | 74.1% | 58 |
| PHX SAN Phoenix Sky Harbor International Airport – San Diego International Airport | 489 | 15.2 min | 73.8% | 42 |
| HOU SAT William P. Hobby Airport – San Antonio International Airport | 309 | 7.5 min | 81.0% | 42 |
| DCA HOU Ronald Reagan Washington National Airport – William P. Hobby Airport | 1,959 | 7.3 min | 85.0% | 40 |
| IND PHX Indianapolis International Airport – Phoenix Sky Harbor International Airport | 2,390 | 10.7 min | 93.8% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 17 | 17 | 88.2% | 0 |
| December 2024 | 29 | 29 | 72.4% | 0 |
| January 2025 | 31 | 31 | 87.1% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 17 | 16 | 62.5% | 1 |
| April 2025 | 48 | 48 | 72.9% | 0 |
| May 2025 | 57 | 57 | 87.7% | 0 |
| June 2025 | 38 | 38 | 68.4% | 0 |
| July 2025 | 35 | 35 | 65.7% | 0 |
| August 2025 | 36 | 36 | 66.7% | 0 |
| September 2025 | 34 | 34 | 82.4% | 0 |
| October 2025 | 34 | 34 | 64.7% | 0 |
| November 2025 | 27 | 27 | 81.5% | 0 |
| December 2025 | 29 | 29 | 82.8% | 0 |
| January 2026 | 26 | 25 | 96.0% | 1 |
| February 2026 | 27 | 27 | 88.9% | 0 |
| March 2026 | 40 | 40 | 57.5% | 0 |
| April 2026 | 9 | 9 | 100.0% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |
| June 2026 | 78 | 78 | 74.4% | 0 |
| July 2026 | 89 | 89 | 80.9% | 0 |