WN3135
WN3135 (Southwest Airlines) is a multi-stop service on 20 routes, busiest Columbus to Nashville. Of 506 departures recorded from October 2024 to July 2026, 77.7% left on time, according to the US BTS.
- On-time departures77.7%of 506 flights
- Average delay10.9 min
- July 20264▼ 90.9%vs July 2025
- Cancelled0.8%
- Legs flown under this number20
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 | 31 | 27 | ▼ 12.9% |
| February | 28 | 26 | ▼ 7.1% |
| March | 39 | 23 | ▼ 41.0% |
| April | 21 | 4 | ▼ 81.0% |
| May | 19 | – | – |
| June | 38 | 4 | ▼ 89.5% |
| July | 44 | 4 | ▼ 90.9% |
| August | 21 | – | – |
| September | 17 | – | – |
| October | 30 | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
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 | 93.1% | 88.9% | ▼ 4.5% |
| February | 92.9% | 96.2% | ▲ 3.5% |
| March | 89.7% | 59.1% | ▼ 34.2% |
| April | 95.2% | 50.0% | ▼ 47.5% |
| May | 84.2% | – | – |
| June | 60.5% | 0.0% | ▼ 100.0% |
| July | 38.6% | 25.0% | ▼ 35.3% |
| August | 57.1% | – | – |
| September | 88.2% | – | – |
| October | 73.3% | – | in progress |
| November | 89.3% | – | – |
| December | 71.0% | – | – |
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 | 2 | 0 | ▼ 100.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 0 | 0 | – |
| May | 0 | – | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| 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 99.2% 502
- Cancelled 0.8% 4
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → Jul 26, 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 |
|---|---|---|---|---|
| CMH BNA John Glenn Columbus International Airport – Nashville International Airport | 543 | 0.5 min | 95.0% | 123 |
| DAL MAF Dallas Love Field – Midland International Air and Space Port | 513 | 38.4 min | 48.3% | 60 |
| PHX DEN Phoenix Sky Harbor International Airport – Denver International Airport | 968 | -2.5 min | 96.2% | 52 |
| MSP BWI Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field – Baltimore/Washington International Thurgood Marshall Airport | 1,504 | 5.1 min | 90.5% | 42 |
| DEN MCO Denver International Airport – Orlando International Airport | 2,486 | 14.0 min | 69.7% | 33 |
| SAT ELP San Antonio International Airport – El Paso International Airport | 797 | 2.6 min | 87.5% | 32 |
| DEN DAL Denver International Airport – Dallas Love Field | 1,048 | 20.9 min | 64.5% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 10 | 10 | 60.0% | 0 |
| November 2024 | 28 | 28 | 100.0% | 0 |
| December 2024 | 32 | 32 | 96.9% | 0 |
| January 2025 | 31 | 29 | 93.1% | 2 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 39 | 39 | 89.7% | 0 |
| April 2025 | 21 | 21 | 95.2% | 0 |
| May 2025 | 19 | 19 | 84.2% | 0 |
| June 2025 | 38 | 38 | 60.5% | 0 |
| July 2025 | 44 | 44 | 38.6% | 0 |
| August 2025 | 21 | 21 | 57.1% | 0 |
| September 2025 | 17 | 17 | 88.2% | 0 |
| October 2025 | 30 | 30 | 73.3% | 0 |
| November 2025 | 29 | 28 | 89.3% | 1 |
| December 2025 | 31 | 31 | 71.0% | 0 |
| January 2026 | 27 | 27 | 88.9% | 0 |
| February 2026 | 26 | 26 | 96.2% | 0 |
| March 2026 | 23 | 22 | 59.1% | 1 |
| April 2026 | 4 | 4 | 50.0% | 0 |
| June 2026 | 4 | 4 | 0.0% | 0 |
| July 2026 | 4 | 4 | 25.0% | 0 |