WN727
WN727 (Southwest Airlines) is a multi-stop service on 30 routes, busiest Boston to Baltimore. Of 674 departures recorded from October 2024 to July 2026, 82.7% left on time, according to the US BTS.
- On-time departures82.7%of 674 flights
- Average delay11.3 min
- July 202631▲ 0.0%vs July 2025
- Cancelled1.5%
- Legs flown under this number30
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 | 47 | 11 | ▼ 76.6% |
| February | 37 | 18 | ▼ 51.4% |
| March | 33 | 29 | ▼ 12.1% |
| April | 38 | 30 | ▼ 21.1% |
| May | 39 | 31 | ▼ 20.5% |
| June | 32 | 30 | ▼ 6.3% |
| July | 31 | 31 | 0.0% |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 41 | – | – |
| December | 43 | – | – |
| Year to date (Jan–Jul) | 257 | 180 | ▼ 30.0% |
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 | 82.6% | 72.7% | ▼ 12.0% |
| February | 78.4% | 76.5% | ▼ 2.4% |
| March | 93.9% | 93.1% | ▼ 0.9% |
| April | 89.5% | 100.0% | ▲ 11.8% |
| May | 92.1% | 100.0% | ▲ 8.6% |
| June | 68.8% | 90.0% | ▲ 30.9% |
| July | 50.0% | 86.7% | ▲ 73.3% |
| August | 87.1% | – | – |
| September | 86.7% | – | – |
| October | 90.3% | – | in progress |
| November | 78.4% | – | – |
| December | 69.1% | – | – |
| Year-to-date average (Jan–Jul) | 79.3% | 88.4% | ▲ 11.5% |
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 | 1 | 0 | ▼ 100.0% |
| February | 0 | 1 | – |
| March | 0 | 0 | – |
| April | 0 | 0 | – |
| May | 1 | 0 | ▼ 100.0% |
| June | 0 | 0 | – |
| July | 1 | 1 | 0.0% |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 4 | – | – |
| December | 1 | – | – |
| Year to date (Jan–Jul) | 3 | 2 | ▼ 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% 664
- Cancelled 1.5% 10
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
9Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 17 | 17 | 76.5% | 0 |
| November 2024 | 17 | 17 | 76.5% | 0 |
| December 2024 | 27 | 27 | 66.7% | 0 |
| January 2025 | 47 | 46 | 82.6% | 1 |
| February 2025 | 37 | 37 | 78.4% | 0 |
| March 2025 | 33 | 33 | 93.9% | 0 |
| April 2025 | 38 | 38 | 89.5% | 0 |
| May 2025 | 39 | 38 | 92.1% | 1 |
| June 2025 | 32 | 32 | 68.8% | 0 |
| July 2025 | 31 | 30 | 50.0% | 1 |
| August 2025 | 31 | 31 | 87.1% | 0 |
| September 2025 | 30 | 30 | 86.7% | 0 |
| October 2025 | 31 | 31 | 90.3% | 0 |
| November 2025 | 41 | 37 | 78.4% | 4 |
| December 2025 | 43 | 42 | 69.1% | 1 |
| January 2026 | 11 | 11 | 72.7% | 0 |
| February 2026 | 18 | 17 | 76.5% | 1 |
| March 2026 | 29 | 29 | 93.1% | 0 |
| April 2026 | 30 | 30 | 100.0% | 0 |
| May 2026 | 31 | 31 | 100.0% | 0 |
| June 2026 | 30 | 30 | 90.0% | 0 |
| July 2026 | 31 | 30 | 86.7% | 1 |