WN2423
WN2423 (Southwest Airlines) is a multi-stop service on 21 routes, busiest Kansas City to Nashville. Of 432 departures recorded from October 2024 to July 2026, 71.7% left on time, according to the US BTS.
- On-time departures71.7%of 432 flights
- Average delay14.6 min
- July 202619▼ 29.6%vs July 2025
- Cancelled0.2%
- Legs flown under this number21
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods18 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 4 | ▲ 300.0% |
| February | – | 7 | – |
| March | 8 | 28 | ▲ 250.0% |
| April | 25 | 30 | ▲ 20.0% |
| May | 32 | 31 | ▼ 3.1% |
| June | 26 | 17 | ▼ 34.6% |
| July | 27 | 19 | ▼ 29.6% |
| August | 38 | – | – |
| September | 39 | – | – |
| October | 19 | – | in progress |
| November | 38 | – | – |
| December | 24 | – | – |
according to the US BTS · October 2024 → July 2026
On-time departures by month
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods18 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 100.0% | 0.0% |
| February | – | 100.0% | – |
| March | 87.5% | 57.1% | ▼ 34.7% |
| April | 76.0% | 70.0% | ▼ 7.9% |
| May | 62.5% | 41.9% | ▼ 32.9% |
| June | 84.6% | 41.2% | ▼ 51.3% |
| July | 88.9% | 15.8% | ▼ 82.2% |
| August | 89.2% | – | – |
| September | 97.4% | – | – |
| October | 36.8% | – | in progress |
| November | 97.4% | – | – |
| December | 75.0% | – | – |
according to the US BTS · October 2024 → July 2026
Average departure delay by month
Months without data are left blank.
according to the US BTS · October 2024 → July 2026
Cancelled departures by month
Months without data are left blank.
The most recent periods18 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 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 | – | – |
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 99.8% 431
- Cancelled 0.2% 1
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 29, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| PHX SJC Phoenix Sky Harbor International Airport – Mineta San Jose International Airport | 999 | 9.6 min | 69.0% | 58 |
| MCI BNA Kansas City International Airport – Nashville International Airport | 790 | -0.7 min | 94.8% | 58 |
| MSP DEN Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Denver International Airport | 1,092 | 13.8 min | 88.2% | 52 |
| DEN BNA Denver International Airport – Nashville International Airport | 1,628 | 7.2 min | 82.1% | 39 |
| PHX SFO Phoenix Sky Harbor International Airport – San Francisco International Airport | 1,047 | 31.4 min | 44.1% | 34 |
| STL DEN St. Louis Lambert International Airport – Denver International Airport | 1,236 | 23.2 min | 54.6% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 76.9% | 0 |
| November 2024 | 1 | 1 | 100.0% | 0 |
| December 2024 | 5 | 5 | 20.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| March 2025 | 8 | 8 | 87.5% | 0 |
| April 2025 | 25 | 25 | 76.0% | 0 |
| May 2025 | 32 | 32 | 62.5% | 0 |
| June 2025 | 26 | 26 | 84.6% | 0 |
| July 2025 | 27 | 27 | 88.9% | 0 |
| August 2025 | 38 | 37 | 89.2% | 1 |
| September 2025 | 39 | 39 | 97.4% | 0 |
| October 2025 | 19 | 19 | 36.8% | 0 |
| November 2025 | 38 | 38 | 97.4% | 0 |
| December 2025 | 24 | 24 | 75.0% | 0 |
| January 2026 | 4 | 4 | 100.0% | 0 |
| February 2026 | 7 | 7 | 100.0% | 0 |
| March 2026 | 28 | 28 | 57.1% | 0 |
| April 2026 | 30 | 30 | 70.0% | 0 |
| May 2026 | 31 | 31 | 41.9% | 0 |
| June 2026 | 17 | 17 | 41.2% | 0 |
| July 2026 | 19 | 19 | 15.8% | 0 |