WN500
WN500 (Southwest Airlines) is a multi-stop service on 36 routes, busiest Phoenix to St Louis. Of 809 departures recorded from October 2024 to July 2026, 78.6% left on time, according to the US BTS.
- On-time departures78.6%of 809 flights
- Average delay10.2 min
- July 202658▲ 87.1%vs July 2025
- Cancelled0.6%
- Legs flown under this number36
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 | 35 | 31 | ▼ 11.4% |
| February | 28 | 34 | ▲ 21.4% |
| March | 31 | 31 | 0.0% |
| April | 30 | 51 | ▲ 70.0% |
| May | 31 | 55 | ▲ 77.4% |
| June | 30 | 59 | ▲ 96.7% |
| July | 31 | 58 | ▲ 87.1% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 27 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 216 | 319 | ▲ 47.7% |
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 | 85.7% | 78.6% | ▼ 8.3% |
| February | 96.4% | 76.5% | ▼ 20.7% |
| March | 80.7% | 77.4% | ▼ 4.0% |
| April | 86.7% | 82.4% | ▼ 5.0% |
| May | 100.0% | 65.5% | ▼ 34.6% |
| June | 46.7% | 66.1% | ▲ 41.6% |
| July | 43.3% | 63.8% | ▲ 47.2% |
| August | 90.0% | – | – |
| September | 93.3% | – | – |
| October | 66.7% | – | in progress |
| November | 93.3% | – | – |
| December | 93.6% | – | – |
| Year-to-date average (Jan–Jul) | 77.1% | 72.9% | ▼ 5.4% |
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 | 0 | 3 | – |
| February | 0 | 0 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 1 | 3 | ▲ 200.0% |
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 99.4% 804
- Cancelled 0.6% 5
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
10Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 46 | 46 | 91.3% | 0 |
| December 2024 | 59 | 59 | 81.4% | 0 |
| January 2025 | 35 | 35 | 85.7% | 0 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 30 | 30 | 86.7% | 0 |
| May 2025 | 31 | 31 | 100.0% | 0 |
| June 2025 | 30 | 30 | 46.7% | 0 |
| July 2025 | 31 | 30 | 43.3% | 1 |
| August 2025 | 31 | 30 | 90.0% | 1 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 27 | 27 | 66.7% | 0 |
| November 2025 | 30 | 30 | 93.3% | 0 |
| December 2025 | 31 | 31 | 93.6% | 0 |
| January 2026 | 31 | 28 | 78.6% | 3 |
| February 2026 | 34 | 34 | 76.5% | 0 |
| March 2026 | 31 | 31 | 77.4% | 0 |
| April 2026 | 51 | 51 | 82.4% | 0 |
| May 2026 | 55 | 55 | 65.5% | 0 |
| June 2026 | 59 | 59 | 66.1% | 0 |
| July 2026 | 58 | 58 | 63.8% | 0 |