WN1020
WN1020 (Southwest Airlines) is a multi-stop service on 25 routes, busiest Raleigh to St Louis. Of 621 departures recorded from October 2024 to July 2026, 79.2% left on time, according to the US BTS.
- On-time departures79.2%of 621 flights
- Average delay11.0 min
- July 202620▼ 33.3%vs July 2025
- Cancelled0.8%
- Legs flown under this number25
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 | 32 | 13 | ▼ 59.4% |
| February | 28 | 19 | ▼ 32.1% |
| March | 27 | 17 | ▼ 37.0% |
| April | 38 | 27 | ▼ 28.9% |
| May | 45 | 31 | ▼ 31.1% |
| June | 31 | 11 | ▼ 64.5% |
| July | 30 | 20 | ▼ 33.3% |
| August | 42 | – | – |
| September | 43 | – | – |
| October | 25 | – | in progress |
| November | 27 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 231 | 138 | ▼ 40.3% |
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 | 83.9% | 75.0% | ▼ 10.6% |
| February | 96.4% | 94.7% | ▼ 1.8% |
| March | 92.6% | 60.0% | ▼ 35.2% |
| April | 81.6% | 85.2% | ▲ 4.4% |
| May | 75.6% | 77.4% | ▲ 2.5% |
| June | 100.0% | 72.7% | ▼ 27.3% |
| July | 86.2% | 35.0% | ▼ 59.4% |
| August | 57.1% | – | – |
| September | 58.1% | – | – |
| October | 88.0% | – | in progress |
| November | 81.5% | – | – |
| December | 93.1% | – | – |
| Year-to-date average (Jan–Jul) | 88.0% | 71.4% | ▼ 18.8% |
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 | 1 | 1 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 2 | – |
| April | 0 | 0 | – |
| 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 | 3 | ▲ 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 99.2% 616
- Cancelled 0.8% 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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RDU STL Raleigh-Durham International Airport – St. Louis Lambert International Airport | 1,072 | 5.2 min | 84.9% | 87 |
| HNL ITO Daniel K. Inouye International Airport – Hilo International Airport | 349 | 1.4 min | 91.5% | 60 |
| MKE TPA General Mitchell International Airport – Tampa International Airport | 1,733 | 1.5 min | 86.4% | 59 |
| TPA MDW Tampa International Airport – Chicago Midway International Airport | 1,607 | 16.3 min | 82.8% | 58 |
| LAS OAK Harry Reid International Airport – Oakland San Francisco Bay Airport | 654 | 18.1 min | 67.2% | 58 |
| BWI ALB Baltimore/Washington International Thurgood Marshall Airport – Albany International Airport | 464 | 2.4 min | 86.0% | 57 |
| DCA MCO Ronald Reagan Washington National Airport – Orlando International Airport | 1,224 | 4.5 min | 89.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 100.0% | 0 |
| November 2024 | 32 | 32 | 75.0% | 0 |
| December 2024 | 34 | 34 | 79.4% | 0 |
| January 2025 | 32 | 31 | 83.9% | 1 |
| February 2025 | 28 | 28 | 96.4% | 0 |
| March 2025 | 27 | 27 | 92.6% | 0 |
| April 2025 | 38 | 38 | 81.6% | 0 |
| May 2025 | 45 | 45 | 75.6% | 0 |
| June 2025 | 31 | 31 | 100.0% | 0 |
| July 2025 | 30 | 29 | 86.2% | 1 |
| August 2025 | 42 | 42 | 57.1% | 0 |
| September 2025 | 43 | 43 | 58.1% | 0 |
| October 2025 | 25 | 25 | 88.0% | 0 |
| November 2025 | 27 | 27 | 81.5% | 0 |
| December 2025 | 29 | 29 | 93.1% | 0 |
| January 2026 | 13 | 12 | 75.0% | 1 |
| February 2026 | 19 | 19 | 94.7% | 0 |
| March 2026 | 17 | 15 | 60.0% | 2 |
| April 2026 | 27 | 27 | 85.2% | 0 |
| May 2026 | 31 | 31 | 77.4% | 0 |
| June 2026 | 11 | 11 | 72.7% | 0 |
| July 2026 | 20 | 20 | 35.0% | 0 |