WN4522
WN4522 (Southwest Airlines) is a multi-stop service on 22 routes, busiest Nashville to Cincinnati. Of 297 departures recorded from October 2024 to July 2026, 71.4% left on time, according to the US BTS.
- On-time departures71.4%of 297 flights
- Average delay15.1 min
- July 202631▲ 287.5%vs July 2025
- Cancelled1.0%
- Legs flown under this number22
Recorded departures by month
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 2 | ▲ 100.0% |
| February | – | 5 | – |
| March | 22 | 19 | ▼ 13.6% |
| April | 26 | 5 | ▼ 80.8% |
| May | 27 | – | – |
| June | 11 | 27 | ▲ 145.5% |
| July | 8 | 31 | ▲ 287.5% |
| August | 18 | – | – |
| September | 17 | – | – |
| October | 31 | – | in progress |
| November | 2 | – | – |
| December | 3 | – | – |
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 periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 100.0% | 0.0% |
| February | – | 100.0% | – |
| March | 72.7% | 83.3% | ▲ 14.6% |
| April | 76.9% | 60.0% | ▼ 22.0% |
| May | 85.2% | – | – |
| June | 63.6% | 37.0% | ▼ 41.8% |
| July | 57.1% | 40.0% | ▼ 30.0% |
| August | 72.2% | – | – |
| September | 64.7% | – | – |
| October | 90.3% | – | in progress |
| November | 100.0% | – | – |
| December | 66.7% | – | – |
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 periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | – | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| 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 99.0% 294
- Cancelled 1.0% 3
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 31, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BNA CVG Nashville International Airport – Cincinnati Northern Kentucky International Airport | 370 | 35.5 min | 38.6% | 58 |
| DEN BWI Denver International Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,394 | 3.9 min | 86.0% | 50 |
| PHX IND Phoenix Sky Harbor International Airport – Indianapolis International Airport | 2,390 | 12.4 min | 64.7% | 34 |
| SMF MCO Sacramento International Airport – Orlando International Airport | 3,869 | 3.3 min | 93.3% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 23 | 23 | 78.3% | 0 |
| November 2024 | 15 | 15 | 93.3% | 0 |
| December 2024 | 4 | 4 | 100.0% | 0 |
| January 2025 | 1 | 1 | 100.0% | 0 |
| March 2025 | 22 | 22 | 72.7% | 0 |
| April 2025 | 26 | 26 | 76.9% | 0 |
| May 2025 | 27 | 27 | 85.2% | 0 |
| June 2025 | 11 | 11 | 63.6% | 0 |
| July 2025 | 8 | 7 | 57.1% | 1 |
| August 2025 | 18 | 18 | 72.2% | 0 |
| September 2025 | 17 | 17 | 64.7% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 2 | 2 | 100.0% | 0 |
| December 2025 | 3 | 3 | 66.7% | 0 |
| January 2026 | 2 | 2 | 100.0% | 0 |
| February 2026 | 5 | 5 | 100.0% | 0 |
| March 2026 | 19 | 18 | 83.3% | 1 |
| April 2026 | 5 | 5 | 60.0% | 0 |
| June 2026 | 27 | 27 | 37.0% | 0 |
| July 2026 | 31 | 30 | 40.0% | 1 |