WN1427
WN1427 (Southwest Airlines) is a multi-stop service on 27 routes, busiest Hartford to Nashville. Of 698 departures recorded from October 2024 to July 2026, 74.2% left on time, according to the US BTS.
- On-time departures74.2%of 698 flights
- Average delay12.3 min
- July 202653▲ 76.7%vs July 2025
- Cancelled1.0%
- Legs flown under this number27
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 | 30 | 35 | ▲ 16.7% |
| February | 26 | 29 | ▲ 11.5% |
| March | 31 | 35 | ▲ 12.9% |
| April | 40 | 20 | ▼ 50.0% |
| May | 38 | 19 | ▼ 50.0% |
| June | 33 | 47 | ▲ 42.4% |
| July | 30 | 53 | ▲ 76.7% |
| August | 30 | – | – |
| September | 30 | – | – |
| October | 30 | – | in progress |
| November | 30 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jul) | 228 | 238 | ▲ 4.4% |
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 | 86.7% | 91.2% | ▲ 5.2% |
| February | 76.9% | 85.7% | ▲ 11.4% |
| March | 87.1% | 88.6% | ▲ 1.7% |
| April | 86.8% | 60.0% | ▼ 30.9% |
| May | 46.0% | 47.4% | ▲ 3.1% |
| June | 75.8% | 43.5% | ▼ 42.6% |
| July | 86.7% | 42.3% | ▼ 51.2% |
| August | 96.7% | – | – |
| September | 100.0% | – | – |
| October | 53.3% | – | in progress |
| November | 93.3% | – | – |
| December | 80.7% | – | – |
| Year-to-date average (Jan–Jul) | 78.0% | 65.5% | ▼ 16.0% |
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 | 1 | – |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 2 | 0 | ▼ 100.0% |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 1 | – |
| 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 99.0% 691
- Cancelled 1.0% 7
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
11Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 72.7% | 0 |
| November 2024 | 31 | 31 | 74.2% | 0 |
| December 2024 | 39 | 39 | 79.5% | 0 |
| January 2025 | 30 | 30 | 86.7% | 0 |
| February 2025 | 26 | 26 | 76.9% | 0 |
| March 2025 | 31 | 31 | 87.1% | 0 |
| April 2025 | 40 | 38 | 86.8% | 2 |
| May 2025 | 38 | 37 | 46.0% | 1 |
| June 2025 | 33 | 33 | 75.8% | 0 |
| July 2025 | 30 | 30 | 86.7% | 0 |
| August 2025 | 30 | 30 | 96.7% | 0 |
| September 2025 | 30 | 30 | 100.0% | 0 |
| October 2025 | 30 | 30 | 53.3% | 0 |
| November 2025 | 30 | 30 | 93.3% | 0 |
| December 2025 | 31 | 31 | 80.7% | 0 |
| January 2026 | 35 | 34 | 91.2% | 1 |
| February 2026 | 29 | 28 | 85.7% | 1 |
| March 2026 | 35 | 35 | 88.6% | 0 |
| April 2026 | 20 | 20 | 60.0% | 0 |
| May 2026 | 19 | 19 | 47.4% | 0 |
| June 2026 | 47 | 46 | 43.5% | 1 |
| July 2026 | 53 | 52 | 42.3% | 1 |