WN1800
WN1800 (Southwest Airlines) is a multi-stop service on 22 routes, busiest New York to Nashville. Of 702 departures recorded from October 2024 to July 2026, 82.4% left on time, according to the US BTS.
- On-time departures82.4%of 702 flights
- Average delay8.2 min
- July 202622▼ 29.0%vs July 2025
- Cancelled0.6%
- Legs flown under this number22
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 | 34 | 33 | ▼ 2.9% |
| February | 30 | 28 | ▼ 6.7% |
| March | 19 | 43 | ▲ 126.3% |
| April | 36 | 33 | ▼ 8.3% |
| May | 45 | 31 | ▼ 31.1% |
| June | 31 | 23 | ▼ 25.8% |
| July | 31 | 22 | ▼ 29.0% |
| August | 41 | – | – |
| September | 42 | – | – |
| October | 25 | – | in progress |
| November | 38 | – | – |
| December | 40 | – | – |
| Year to date (Jan–Jul) | 226 | 213 | ▼ 5.8% |
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 | 91.2% | 87.9% | ▼ 3.6% |
| February | 100.0% | 92.9% | ▼ 7.1% |
| March | 100.0% | 39.5% | ▼ 60.5% |
| April | 94.4% | 66.7% | ▼ 29.4% |
| May | 97.8% | 80.7% | ▼ 17.5% |
| June | 77.4% | 78.3% | ▲ 1.1% |
| July | 64.5% | 77.3% | ▲ 19.8% |
| August | 78.1% | – | – |
| September | 83.3% | – | – |
| October | 80.0% | – | in progress |
| November | 92.1% | – | – |
| December | 79.5% | – | – |
| Year-to-date average (Jan–Jul) | 89.3% | 74.7% | ▼ 16.3% |
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 | 1 | 0 | ▼ 100.0% |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | 0 | 0 | – |
| July | 0 | 0 | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 0 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 1 | 0 | ▼ 100.0% |
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 99.4% 698
- Cancelled 0.6% 4
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
11Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 16 | 16 | 93.8% | 0 |
| November 2024 | 30 | 29 | 93.1% | 1 |
| December 2024 | 31 | 30 | 83.3% | 1 |
| January 2025 | 34 | 34 | 91.2% | 0 |
| February 2025 | 30 | 29 | 100.0% | 1 |
| March 2025 | 19 | 19 | 100.0% | 0 |
| April 2025 | 36 | 36 | 94.4% | 0 |
| May 2025 | 45 | 45 | 97.8% | 0 |
| June 2025 | 31 | 31 | 77.4% | 0 |
| July 2025 | 31 | 31 | 64.5% | 0 |
| August 2025 | 41 | 41 | 78.1% | 0 |
| September 2025 | 42 | 42 | 83.3% | 0 |
| October 2025 | 25 | 25 | 80.0% | 0 |
| November 2025 | 38 | 38 | 92.1% | 0 |
| December 2025 | 40 | 39 | 79.5% | 1 |
| January 2026 | 33 | 33 | 87.9% | 0 |
| February 2026 | 28 | 28 | 92.9% | 0 |
| March 2026 | 43 | 43 | 39.5% | 0 |
| April 2026 | 33 | 33 | 66.7% | 0 |
| May 2026 | 31 | 31 | 80.7% | 0 |
| June 2026 | 23 | 23 | 78.3% | 0 |
| July 2026 | 22 | 22 | 77.3% | 0 |