WN522
WN522 (Southwest Airlines) is a multi-stop service on 28 routes, busiest Kansas City to Phoenix. Of 705 departures recorded from October 2024 to July 2026, 76.1% left on time, according to the US BTS.
- On-time departures76.1%of 705 flights
- Average delay12.1 min
- July 202617▼ 63.0%vs July 2025
- Cancelled0.4%
- Legs flown under this number28
Recorded departures by month
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 | 33 | ▲ 17.9% |
| February | 26 | 28 | ▲ 7.7% |
| March | 31 | 31 | 0.0% |
| April | 30 | 28 | ▼ 6.7% |
| May | 31 | 31 | 0.0% |
| June | 40 | 26 | ▼ 35.0% |
| July | 46 | 17 | ▼ 63.0% |
| August | 47 | – | – |
| September | 47 | – | – |
| October | 23 | – | in progress |
| November | 44 | – | – |
| December | 37 | – | – |
| Year to date (Jan–Jul) | 232 | 194 | ▼ 16.4% |
according to the US BTS · October 2024 → July 2026
On-time departures by month
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 | 96.2% | 72.7% | ▼ 24.4% |
| February | 76.9% | 92.9% | ▲ 20.7% |
| March | 71.0% | 71.0% | 0.0% |
| April | 96.7% | 64.3% | ▼ 33.5% |
| May | 100.0% | 74.2% | ▼ 25.8% |
| June | 57.5% | 50.0% | ▼ 13.0% |
| July | 52.2% | 76.5% | ▲ 46.6% |
| August | 85.1% | – | – |
| September | 83.0% | – | – |
| October | 69.6% | – | in progress |
| November | 61.4% | – | – |
| December | 69.4% | – | – |
| Year-to-date average (Jan–Jul) | 78.6% | 71.6% | ▼ 8.9% |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
The most recent periods19 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| 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) | 2 | 0 | ▼ 100.0% |
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 99.6% 702
- Cancelled 0.4% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
8| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MCI PHX Kansas City International Airport – Phoenix Sky Harbor International Airport | 1,677 | 4.2 min | 93.6% | 111 |
| SFO LAS San Francisco International Airport – Harry Reid International Airport | 665 | -3.7 min | 100.0% | 58 |
| MSY TPA Louis Armstrong New Orleans International Airport – Tampa International Airport | 785 | 1.0 min | 91.4% | 58 |
| BUR DEN Hollywood Burbank/Bob Hope Airport – Denver International Airport | 1,366 | 17.9 min | 70.7% | 58 |
| PIT DEN Pittsburgh International Airport – Denver International Airport | 2,071 | 37.8 min | 51.9% | 52 |
| HRL DAL Valley International Airport – Dallas Love Field | 740 | 2.9 min | 92.0% | 50 |
| SBA SMF Santa Barbara Municipal Airport – Sacramento International Airport | 500 | 7.0 min | 77.8% | 46 |
| STL RSW St. Louis Lambert International Airport – Southwest Florida International Airport | 1,578 | 19.2 min | 72.7% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 69.6% | 0 |
| November 2024 | 29 | 29 | 100.0% | 0 |
| December 2024 | 29 | 29 | 100.0% | 0 |
| January 2025 | 28 | 26 | 96.2% | 2 |
| February 2025 | 26 | 26 | 76.9% | 0 |
| March 2025 | 31 | 31 | 71.0% | 0 |
| April 2025 | 30 | 30 | 96.7% | 0 |
| May 2025 | 31 | 31 | 100.0% | 0 |
| June 2025 | 40 | 40 | 57.5% | 0 |
| July 2025 | 46 | 46 | 52.2% | 0 |
| August 2025 | 47 | 47 | 85.1% | 0 |
| September 2025 | 47 | 47 | 83.0% | 0 |
| October 2025 | 23 | 23 | 69.6% | 0 |
| November 2025 | 44 | 44 | 61.4% | 0 |
| December 2025 | 37 | 36 | 69.4% | 1 |
| January 2026 | 33 | 33 | 72.7% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 31 | 31 | 71.0% | 0 |
| April 2026 | 28 | 28 | 64.3% | 0 |
| May 2026 | 31 | 31 | 74.2% | 0 |
| June 2026 | 26 | 26 | 50.0% | 0 |
| July 2026 | 17 | 17 | 76.5% | 0 |