WN582
WN582 (Southwest Airlines) is a multi-stop service on 51 routes, busiest New Orleans to St Louis. Of 820 departures recorded from October 2024 to July 2026, 69.9% left on time, according to the US BTS.
- On-time departures69.9%of 820 flights
- Average delay14.5 min
- July 202647▲ 11.9%vs July 2025
- Cancelled0.4%
- Legs flown under this number51
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 | 37 | 12 | ▼ 67.6% |
| February | 28 | 21 | ▼ 25.0% |
| March | 39 | 25 | ▼ 35.9% |
| April | 38 | 29 | ▼ 23.7% |
| May | 37 | 31 | ▼ 16.2% |
| June | 44 | 45 | ▲ 2.3% |
| July | 42 | 47 | ▲ 11.9% |
| August | 33 | – | – |
| September | 30 | – | – |
| October | 36 | – | in progress |
| November | 34 | – | – |
| December | 41 | – | – |
| Year to date (Jan–Jul) | 265 | 210 | ▼ 20.8% |
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 | 73.0% | 83.3% | ▲ 14.2% |
| February | 71.4% | 61.9% | ▼ 13.3% |
| March | 76.3% | 64.0% | ▼ 16.1% |
| April | 76.3% | 71.4% | ▼ 6.4% |
| May | 78.4% | 48.4% | ▼ 38.3% |
| June | 54.6% | 53.3% | ▼ 2.2% |
| July | 46.3% | 70.2% | ▲ 51.5% |
| August | 63.6% | – | – |
| September | 76.7% | – | – |
| October | 72.2% | – | in progress |
| November | 67.7% | – | – |
| December | 63.4% | – | – |
| Year-to-date average (Jan–Jul) | 68.0% | 64.7% | ▼ 5.0% |
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 | 0 | – |
| February | 0 | 0 | – |
| March | 1 | 0 | ▼ 100.0% |
| April | 0 | 1 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 1 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 2 | 1 | ▼ 50.0% |
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% 817
- Cancelled 0.4% 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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MSY STL Louis Armstrong New Orleans International Airport – St. Louis Lambert International Airport | 974 | 3.6 min | 84.2% | 57 |
| BNA ONT Nashville International Airport – Ontario International Airport | 2,811 | 7.1 min | 84.9% | 53 |
| SNA DEN John Wayne Orange County International Airport – Denver International Airport | 1,360 | 32.2 min | 36.0% | 50 |
| BOI SJC Boise Air Terminal/Gowen Field – Mineta San Jose International Airport | 841 | 6.6 min | 74.0% | 50 |
| BWI PHX Baltimore/Washington International Thurgood Marshall Airport – Phoenix Sky Harbor International Airport | 3,209 | 15.4 min | 77.8% | 45 |
| OAK SNA Oakland San Francisco Bay Airport – John Wayne Orange County International Airport | 597 | 17.2 min | 63.6% | 34 |
| HOU PHX William P. Hobby Airport – Phoenix Sky Harbor International Airport | 1,638 | 17.1 min | 65.6% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 53 | 53 | 84.9% | 0 |
| November 2024 | 55 | 55 | 87.3% | 0 |
| December 2024 | 63 | 63 | 81.0% | 0 |
| January 2025 | 37 | 37 | 73.0% | 0 |
| February 2025 | 28 | 28 | 71.4% | 0 |
| March 2025 | 39 | 38 | 76.3% | 1 |
| April 2025 | 38 | 38 | 76.3% | 0 |
| May 2025 | 37 | 37 | 78.4% | 0 |
| June 2025 | 44 | 44 | 54.6% | 0 |
| July 2025 | 42 | 41 | 46.3% | 1 |
| August 2025 | 33 | 33 | 63.6% | 0 |
| September 2025 | 30 | 30 | 76.7% | 0 |
| October 2025 | 36 | 36 | 72.2% | 0 |
| November 2025 | 34 | 34 | 67.7% | 0 |
| December 2025 | 41 | 41 | 63.4% | 0 |
| January 2026 | 12 | 12 | 83.3% | 0 |
| February 2026 | 21 | 21 | 61.9% | 0 |
| March 2026 | 25 | 25 | 64.0% | 0 |
| April 2026 | 29 | 28 | 71.4% | 1 |
| May 2026 | 31 | 31 | 48.4% | 0 |
| June 2026 | 45 | 45 | 53.3% | 0 |
| July 2026 | 47 | 47 | 70.2% | 0 |