WN1872
WN1872 (Southwest Airlines) is a multi-stop service on 31 routes, busiest Nashville to Denver. Of 721 departures recorded from October 2024 to July 2026, 74.4% left on time, according to the US BTS.
- On-time departures74.4%of 721 flights
- Average delay13.6 min
- July 202613▼ 58.1%vs July 2025
- Cancelled1.0%
- Legs flown under this number31
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 | 36 | 35 | ▼ 2.8% |
| February | 33 | 39 | ▲ 18.2% |
| March | 32 | 32 | 0.0% |
| April | 30 | 30 | 0.0% |
| May | 30 | 31 | ▲ 3.3% |
| June | 30 | 14 | ▼ 53.3% |
| July | 31 | 13 | ▼ 58.1% |
| August | 38 | – | – |
| September | 39 | – | – |
| October | 27 | – | in progress |
| November | 27 | – | – |
| December | 29 | – | – |
| Year to date (Jan–Jul) | 222 | 194 | ▼ 12.6% |
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 | 77.8% | 94.3% | ▲ 21.2% |
| February | 69.7% | 89.5% | ▲ 28.4% |
| March | 78.1% | 46.9% | ▼ 40.0% |
| April | 83.3% | 53.3% | ▼ 36.0% |
| May | 90.0% | 45.2% | ▼ 49.8% |
| June | 55.2% | 71.4% | ▲ 29.5% |
| July | 62.1% | 46.2% | ▼ 25.6% |
| August | 76.3% | – | – |
| September | 76.9% | – | – |
| October | 81.5% | – | in progress |
| November | 65.4% | – | – |
| December | 48.3% | – | – |
| Year-to-date average (Jan–Jul) | 73.7% | 63.8% | ▼ 13.5% |
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 | 0 | 0 | – |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 1 | 0 | ▼ 100.0% |
| July | 2 | 0 | ▼ 100.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jul) | 3 | 1 | ▼ 66.7% |
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% 714
- Cancelled 1.0% 7
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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 49 | 49 | 87.8% | 0 |
| November 2024 | 58 | 58 | 91.4% | 0 |
| December 2024 | 38 | 36 | 91.7% | 2 |
| January 2025 | 36 | 36 | 77.8% | 0 |
| February 2025 | 33 | 33 | 69.7% | 0 |
| March 2025 | 32 | 32 | 78.1% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 30 | 30 | 90.0% | 0 |
| June 2025 | 30 | 29 | 55.2% | 1 |
| July 2025 | 31 | 29 | 62.1% | 2 |
| August 2025 | 38 | 38 | 76.3% | 0 |
| September 2025 | 39 | 39 | 76.9% | 0 |
| October 2025 | 27 | 27 | 81.5% | 0 |
| November 2025 | 27 | 26 | 65.4% | 1 |
| December 2025 | 29 | 29 | 48.3% | 0 |
| January 2026 | 35 | 35 | 94.3% | 0 |
| February 2026 | 39 | 38 | 89.5% | 1 |
| March 2026 | 32 | 32 | 46.9% | 0 |
| April 2026 | 30 | 30 | 53.3% | 0 |
| May 2026 | 31 | 31 | 45.2% | 0 |
| June 2026 | 14 | 14 | 71.4% | 0 |
| July 2026 | 13 | 13 | 46.2% | 0 |