WN1429
WN1429 (Southwest Airlines) is a multi-stop service on 37 routes, busiest Las Vegas to Chicago. Of 639 departures recorded from October 2024 to July 2026, 74.8% left on time, according to the US BTS.
- On-time departures74.8%of 639 flights
- Average delay13.8 min
- July 202640▲ 48.1%vs July 2025
- Cancelled0.5%
- 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 | 28 | 30 | ▲ 7.1% |
| February | 28 | 28 | 0.0% |
| March | 28 | 31 | ▲ 10.7% |
| April | 21 | 30 | ▲ 42.9% |
| May | 23 | 30 | ▲ 30.4% |
| June | 24 | 37 | ▲ 54.2% |
| July | 27 | 40 | ▲ 48.1% |
| August | 29 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 20 | – | – |
| December | 17 | – | – |
| Year to date (Jan–Jul) | 179 | 226 | ▲ 26.3% |
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 | 67.9% | 83.3% | ▲ 22.8% |
| February | 82.1% | 89.3% | ▲ 8.7% |
| March | 78.6% | 26.7% | ▼ 66.1% |
| April | 90.5% | 73.3% | ▼ 19.0% |
| May | 100.0% | 50.0% | ▼ 50.0% |
| June | 79.2% | 70.3% | ▼ 11.2% |
| July | 70.4% | 60.0% | ▼ 14.7% |
| August | 96.6% | – | – |
| September | 100.0% | – | – |
| October | 100.0% | – | in progress |
| November | 80.0% | – | – |
| December | 56.3% | – | – |
| Year-to-date average (Jan–Jul) | 81.2% | 64.7% | ▼ 20.3% |
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 | 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 | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 0 | 1 |
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 99.5% 636
- Cancelled 0.5% 3
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 |
|---|---|---|---|---|
| LAS MDW Harry Reid International Airport – Chicago Midway International Airport | 2,442 | 5.0 min | 86.2% | 58 |
| MSY HOU Louis Armstrong New Orleans International Airport – William P. Hobby Airport | 485 | 15.9 min | 63.2% | 57 |
| MAF HOU Midland International Air and Space Port – William P. Hobby Airport | 709 | -3.1 min | 98.3% | 57 |
| LAS SBA Harry Reid International Airport – Santa Barbara Municipal Airport | 464 | 6.2 min | 78.4% | 51 |
| MCO PVD Orlando International Airport – Rhode Island T. F. Green International Airport | 1,728 | 15.3 min | 69.8% | 43 |
| DCA CMH Ronald Reagan Washington National Airport – John Glenn Columbus International Airport | 519 | 15.2 min | 70.7% | 41 |
| OAK LAS Oakland San Francisco Bay Airport – Harry Reid International Airport | 654 | -2.5 min | 100.0% | 40 |
| DCA MDW Ronald Reagan Washington National Airport – Chicago Midway International Airport | 964 | 61.0 min | 25.0% | 33 |
| HNL LAS Daniel K. Inouye International Airport – Harry Reid International Airport | 4,441 | -1.9 min | 100.0% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 44 | 44 | 65.9% | 0 |
| November 2024 | 28 | 27 | 81.5% | 1 |
| December 2024 | 35 | 35 | 62.9% | 0 |
| January 2025 | 28 | 28 | 67.9% | 0 |
| February 2025 | 28 | 28 | 82.1% | 0 |
| March 2025 | 28 | 28 | 78.6% | 0 |
| April 2025 | 21 | 21 | 90.5% | 0 |
| May 2025 | 23 | 23 | 100.0% | 0 |
| June 2025 | 24 | 24 | 79.2% | 0 |
| July 2025 | 27 | 27 | 70.4% | 0 |
| August 2025 | 29 | 29 | 96.6% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 31 | 31 | 100.0% | 0 |
| November 2025 | 20 | 20 | 80.0% | 0 |
| December 2025 | 17 | 16 | 56.3% | 1 |
| January 2026 | 30 | 30 | 83.3% | 0 |
| February 2026 | 28 | 28 | 89.3% | 0 |
| March 2026 | 31 | 30 | 26.7% | 1 |
| April 2026 | 30 | 30 | 73.3% | 0 |
| May 2026 | 30 | 30 | 50.0% | 0 |
| June 2026 | 37 | 37 | 70.3% | 0 |
| July 2026 | 40 | 40 | 60.0% | 0 |