WN2320
WN2320 (Southwest Airlines) is a multi-stop service on 27 routes, busiest St Louis to Nashville. Of 656 departures recorded from October 2024 to July 2026, 83.6% left on time, according to the US BTS.
- On-time departures83.6%of 656 flights
- Average delay8.4 min
- July 202613▼ 58.1%vs July 2025
- Cancelled0.5%
- Legs flown under this number27
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 | 22 | 24 | ▲ 9.1% |
| February | 21 | 19 | ▼ 9.5% |
| March | 30 | 23 | ▼ 23.3% |
| April | 39 | 28 | ▼ 28.2% |
| May | 44 | 31 | ▼ 29.5% |
| June | 31 | 14 | ▼ 54.8% |
| July | 31 | 13 | ▼ 58.1% |
| August | 50 | – | – |
| September | 53 | – | – |
| October | 43 | – | in progress |
| November | 33 | – | – |
| December | 40 | – | – |
| Year to date (Jan–Jul) | 218 | 152 | ▼ 30.3% |
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 | 85.7% | 75.0% | ▼ 12.5% |
| February | 90.0% | 79.0% | ▼ 12.3% |
| March | 76.7% | 65.2% | ▼ 14.9% |
| April | 94.9% | 92.9% | ▼ 2.1% |
| May | 81.8% | 90.3% | ▲ 10.4% |
| June | 71.0% | 42.9% | ▼ 39.6% |
| July | 90.3% | 30.8% | ▼ 65.9% |
| August | 83.7% | – | – |
| September | 88.7% | – | – |
| October | 95.4% | – | in progress |
| November | 78.8% | – | – |
| December | 87.5% | – | – |
| Year-to-date average (Jan–Jul) | 84.3% | 68.0% | ▼ 19.4% |
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 | 1 | 0 | ▼ 100.0% |
| February | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 1 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| 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 99.5% 653
- Cancelled 0.5% 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
7| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| STL BNA St. Louis Lambert International Airport – Nashville International Airport | 437 | 2.5 min | 90.8% | 89 |
| ORD MCO Chicago O'Hare International Airport – Orlando International Airport | 1,620 | 19.4 min | 75.4% | 61 |
| MAF HOU Midland International Air and Space Port – William P. Hobby Airport | 709 | 0.9 min | 91.4% | 58 |
| MDW PHX Chicago Midway International Airport – Phoenix Sky Harbor International Airport | 2,319 | 7.0 min | 83.7% | 49 |
| DEN LAS Denver International Airport – Harry Reid International Airport | 1,009 | 10.7 min | 71.4% | 42 |
| BDL BWI Bradley International Airport – Baltimore/Washington International Thurgood Marshall Airport | 455 | 12.8 min | 85.7% | 42 |
| BOS MDW Boston Logan International Airport – Chicago Midway International Airport | 1,381 | 2.4 min | 93.8% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 87.0% | 0 |
| November 2024 | 25 | 25 | 100.0% | 0 |
| December 2024 | 19 | 19 | 89.5% | 0 |
| January 2025 | 22 | 21 | 85.7% | 1 |
| February 2025 | 21 | 20 | 90.0% | 1 |
| March 2025 | 30 | 30 | 76.7% | 0 |
| April 2025 | 39 | 39 | 94.9% | 0 |
| May 2025 | 44 | 44 | 81.8% | 0 |
| June 2025 | 31 | 31 | 71.0% | 0 |
| July 2025 | 31 | 31 | 90.3% | 0 |
| August 2025 | 50 | 49 | 83.7% | 1 |
| September 2025 | 53 | 53 | 88.7% | 0 |
| October 2025 | 43 | 43 | 95.4% | 0 |
| November 2025 | 33 | 33 | 78.8% | 0 |
| December 2025 | 40 | 40 | 87.5% | 0 |
| January 2026 | 24 | 24 | 75.0% | 0 |
| February 2026 | 19 | 19 | 79.0% | 0 |
| March 2026 | 23 | 23 | 65.2% | 0 |
| April 2026 | 28 | 28 | 92.9% | 0 |
| May 2026 | 31 | 31 | 90.3% | 0 |
| June 2026 | 14 | 14 | 42.9% | 0 |
| July 2026 | 13 | 13 | 30.8% | 0 |