WN3525
WN3525 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Kansas City to Houston. Of 510 departures recorded from October 2024 to July 2026, 64.8% left on time, according to the US BTS.
- On-time departures64.8%of 510 flights
- Average delay20.8 min
- July 202650▲ 38.9%vs July 2025
- Cancelled0.8%
- Legs flown under this number30
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 5 | 5 | 0.0% |
| February | – | 13 | – |
| March | 30 | 1 | ▼ 96.7% |
| April | 32 | 14 | ▼ 56.3% |
| May | 37 | 22 | ▼ 40.5% |
| June | 31 | 44 | ▲ 41.9% |
| July | 36 | 50 | ▲ 38.9% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 23 | – | in progress |
| November | 28 | – | – |
| December | 31 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 40.0% | 100.0% | ▲ 150.0% |
| February | – | 53.9% | – |
| March | 86.2% | 100.0% | ▲ 16.0% |
| April | 75.0% | 71.4% | ▼ 4.8% |
| May | 64.9% | 54.6% | ▼ 15.9% |
| June | 45.2% | 32.6% | ▼ 27.9% |
| July | 41.7% | 52.1% | ▲ 25.0% |
| August | 86.7% | – | – |
| September | 96.7% | – | – |
| October | 78.3% | – | in progress |
| November | 71.4% | – | – |
| December | 77.4% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 1 | – |
| July | 0 | 2 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → July 2026
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 99.2% 506
- Cancelled 0.8% 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
5| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MCI HOU Kansas City International Airport – William P. Hobby Airport | 1,075 | 1.1 min | 93.1% | 58 |
| PHX DEN Phoenix Sky Harbor International Airport – Denver International Airport | 968 | 33.8 min | 52.9% | 51 |
| BWI SJU Baltimore/Washington International Thurgood Marshall Airport – Luis Munoz Marin International Airport | 2,525 | 14.9 min | 69.6% | 46 |
| SAN PHX San Diego International Airport – Phoenix Sky Harbor International Airport | 489 | 37.4 min | 31.0% | 42 |
| SFO SAN San Francisco International Airport – San Diego International Airport | 719 | 28.1 min | 58.1% | 34 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 21 | 21 | 85.7% | 0 |
| November 2024 | 11 | 11 | 90.9% | 0 |
| December 2024 | 16 | 16 | 31.3% | 0 |
| January 2025 | 5 | 5 | 40.0% | 0 |
| March 2025 | 30 | 29 | 86.2% | 1 |
| April 2025 | 32 | 32 | 75.0% | 0 |
| May 2025 | 37 | 37 | 64.9% | 0 |
| June 2025 | 31 | 31 | 45.2% | 0 |
| July 2025 | 36 | 36 | 41.7% | 0 |
| August 2025 | 30 | 30 | 86.7% | 0 |
| September 2025 | 30 | 30 | 96.7% | 0 |
| October 2025 | 23 | 23 | 78.3% | 0 |
| November 2025 | 28 | 28 | 71.4% | 0 |
| December 2025 | 31 | 31 | 77.4% | 0 |
| January 2026 | 5 | 5 | 100.0% | 0 |
| February 2026 | 13 | 13 | 53.9% | 0 |
| March 2026 | 1 | 1 | 100.0% | 0 |
| April 2026 | 14 | 14 | 71.4% | 0 |
| May 2026 | 22 | 22 | 54.6% | 0 |
| June 2026 | 44 | 43 | 32.6% | 1 |
| July 2026 | 50 | 48 | 52.1% | 2 |