WN1200
WN1200 (Southwest Airlines) is a multi-stop service on 32 routes, busiest Nashville to Dallas. Of 598 departures recorded from October 2024 to July 2026, 77.6% left on time, according to the US BTS.
- On-time departures77.6%of 598 flights
- Average delay12.4 min
- July 202628▲ 0.0%vs July 2025
- Cancelled1.5%
- Legs flown under this number32
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 | 33 | 20 | ▼ 39.4% |
| February | 28 | 27 | ▼ 3.6% |
| March | 31 | 30 | ▼ 3.2% |
| April | 30 | 27 | ▼ 10.0% |
| May | 31 | 27 | ▼ 12.9% |
| June | 26 | 26 | 0.0% |
| July | 28 | 28 | 0.0% |
| August | 11 | – | – |
| September | 9 | – | – |
| October | 23 | – | in progress |
| November | 31 | – | – |
| December | 33 | – | – |
| Year to date (Jan–Jul) | 207 | 185 | ▼ 10.6% |
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% | 88.9% | ▲ 6.0% |
| February | 89.3% | 96.3% | ▲ 7.9% |
| March | 80.7% | 86.2% | ▲ 6.9% |
| April | 79.3% | 66.7% | ▼ 15.9% |
| May | 77.4% | 48.2% | ▼ 37.8% |
| June | 73.1% | 73.1% | 0.0% |
| July | 89.3% | 44.4% | ▼ 50.2% |
| August | 72.7% | – | – |
| September | 77.8% | – | – |
| October | 60.9% | – | in progress |
| November | 74.2% | – | – |
| December | 75.8% | – | – |
| Year-to-date average (Jan–Jul) | 81.8% | 72.0% | ▼ 12.1% |
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 | 2 | 2 | 0.0% |
| February | 0 | 0 | – |
| March | 0 | 1 | – |
| April | 1 | 0 | ▼ 100.0% |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 1 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 4 | ▲ 33.3% |
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 98.5% 589
- Cancelled 1.5% 9
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
6| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BNA DAL Nashville International Airport – Dallas Love Field | 1,000 | 6.3 min | 85.7% | 71 |
| MCI LGA Kansas City International Airport – LaGuardia Airport | 1,778 | 11.9 min | 81.0% | 58 |
| BNA MSY Nashville International Airport – Louis Armstrong New Orleans International Airport | 759 | 18.4 min | 75.0% | 52 |
| CMH MDW John Glenn Columbus International Airport – Chicago Midway International Airport | 454 | 31.4 min | 57.1% | 50 |
| MCO HOU Orlando International Airport – William P. Hobby Airport | 1,364 | 3.2 min | 90.5% | 42 |
| DJT BWI President Donald J. Trump International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,425 | 5.8 min | 87.5% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 43 | 43 | 95.4% | 0 |
| December 2024 | 36 | 34 | 76.5% | 2 |
| January 2025 | 33 | 31 | 83.9% | 2 |
| February 2025 | 28 | 28 | 89.3% | 0 |
| March 2025 | 31 | 31 | 80.7% | 0 |
| April 2025 | 30 | 29 | 79.3% | 1 |
| May 2025 | 31 | 31 | 77.4% | 0 |
| June 2025 | 26 | 26 | 73.1% | 0 |
| July 2025 | 28 | 28 | 89.3% | 0 |
| August 2025 | 11 | 11 | 72.7% | 0 |
| September 2025 | 9 | 9 | 77.8% | 0 |
| October 2025 | 23 | 23 | 60.9% | 0 |
| November 2025 | 31 | 31 | 74.2% | 0 |
| December 2025 | 33 | 33 | 75.8% | 0 |
| January 2026 | 20 | 18 | 88.9% | 2 |
| February 2026 | 27 | 27 | 96.3% | 0 |
| March 2026 | 30 | 29 | 86.2% | 1 |
| April 2026 | 27 | 27 | 66.7% | 0 |
| May 2026 | 27 | 27 | 48.2% | 0 |
| June 2026 | 26 | 26 | 73.1% | 0 |
| July 2026 | 28 | 27 | 44.4% | 1 |