WN1434
WN1434 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Chicago to Phoenix. Of 612 departures recorded from October 2024 to July 2026, 82.9% left on time, according to the US BTS.
- On-time departures82.9%of 612 flights
- Average delay9.3 min
- July 202619▼ 55.8%vs July 2025
- Cancelled0.7%
- Legs flown under this number25
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 | 17 | ▼ 39.3% |
| March | 27 | 30 | ▲ 11.1% |
| April | 40 | 22 | ▼ 45.0% |
| May | 43 | 23 | ▼ 46.5% |
| June | 45 | 17 | ▼ 62.2% |
| July | 43 | 19 | ▼ 55.8% |
| August | 24 | – | – |
| September | 17 | – | – |
| October | 22 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 257 | 154 | ▼ 40.1% |
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 | 78.6% | 70.6% | ▼ 10.2% |
| March | 69.2% | 56.7% | ▼ 18.1% |
| April | 79.5% | 77.3% | ▼ 2.8% |
| May | 86.1% | 87.0% | ▲ 1.1% |
| June | 86.7% | 100.0% | ▲ 15.4% |
| July | 90.7% | 100.0% | ▲ 10.3% |
| August | 79.2% | – | – |
| September | 47.1% | – | – |
| October | 95.5% | – | in progress |
| November | 82.8% | – | – |
| December | 67.7% | – | – |
| Year-to-date average (Jan–Jul) | 82.5% | 83.9% | ▲ 1.7% |
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 | 0 | 1 | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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% 608
- Cancelled 0.7% 4
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 |
|---|---|---|---|---|
| MDW PHX Chicago Midway International Airport – Phoenix Sky Harbor International Airport | 2,319 | 6.2 min | 88.9% | 82 |
| MDW MSY Chicago Midway International Airport – Louis Armstrong New Orleans International Airport | 1,331 | 10.9 min | 76.2% | 64 |
| LAS SLC Harry Reid International Airport – Salt Lake City International Airport | 592 | 1.6 min | 91.8% | 61 |
| SAT HOU San Antonio International Airport – William P. Hobby Airport | 309 | 3.8 min | 83.9% | 57 |
| DEN CMH Denver International Airport – John Glenn Columbus International Airport | 1,853 | 9.3 min | 85.0% | 41 |
| FLL MCI Fort Lauderdale Hollywood International Airport – Kansas City International Airport | 2,000 | 4.8 min | 85.0% | 40 |
| BOS MDW Boston Logan International Airport – Chicago Midway International Airport | 1,381 | 31.3 min | 61.8% | 34 |
| DAL MCO Dallas Love Field – Orlando International Airport | 1,564 | -1.8 min | 100.0% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 28 | 28 | 89.3% | 0 |
| December 2024 | 29 | 29 | 93.1% | 0 |
| January 2025 | 31 | 31 | 87.1% | 0 |
| February 2025 | 28 | 28 | 78.6% | 0 |
| March 2025 | 27 | 26 | 69.2% | 1 |
| April 2025 | 40 | 39 | 79.5% | 1 |
| May 2025 | 43 | 43 | 86.1% | 0 |
| June 2025 | 45 | 45 | 86.7% | 0 |
| July 2025 | 43 | 43 | 90.7% | 0 |
| August 2025 | 24 | 24 | 79.2% | 0 |
| September 2025 | 17 | 17 | 47.1% | 0 |
| October 2025 | 22 | 22 | 95.5% | 0 |
| November 2025 | 30 | 29 | 82.8% | 1 |
| December 2025 | 31 | 31 | 67.7% | 0 |
| January 2026 | 26 | 25 | 96.0% | 1 |
| February 2026 | 17 | 17 | 70.6% | 0 |
| March 2026 | 30 | 30 | 56.7% | 0 |
| April 2026 | 22 | 22 | 77.3% | 0 |
| May 2026 | 23 | 23 | 87.0% | 0 |
| June 2026 | 17 | 17 | 100.0% | 0 |
| July 2026 | 19 | 19 | 100.0% | 0 |